Specifying the vdisk name and RAID level A vdisk is a virtual disk that is composed of one or more disks, and has the combined capacity of those disks. The number of disks that a vdisk can contain is determined by its RAID level.
Play Pool online for free in 3D. 8-Ball, 9-Ball, Snooker, Billiards, Pub Pool, 28 games total. Compete in tournaments or play with friends. UnityVSA (Virtual Storage Appliance) is a software defined storage platform that provides users. In service mode in order to prevent invalid configurations. Default name: an automatically generated serial number for UnityVSA. Virtual disk is not part of a storage pool, you can remove it from UnityVSA and add a.
When creating the vdisk, all its disks must be the same type - either SAS SSD, enterprise SAS, or midline SAS. A vdisk can contain different models of disks, and disks with different capacities. On mixing disks with different capacities, the smallest disk determines the logical capacity of all other disks in the vdisk, regardless of RAID level. For example, the capacity of a vdisk composed of one 500GB disk and one 750GB disk is equivalent to a vdisk composed of two 500GB disks.
To maximize capacity, use disks of similar size. For greatest reliability, use disks of the same size and rotational speed.
In a single-controller system, all vdisks are owned by that controller. In a dual-controller system, when a vdisk is created the system automatically assigns the owner to balance the number of vdisks each controller owns; or, the owner can be selected.
Typically it doesn’t matter which controller owns a vdisk. In a dual-controller system, when a controller fails, the partner controller assumes temporary ownership of the failed controller’s vdisks and resources.
If the system uses a fault-tolerant cabling configuration, both controllers’ LUNs are accessible through the partner. When a vdisk is created, volumes within it can also be created. A volume is a logical subdivision of a vdisk, and can be mapped to controller host ports for access by hosts. The storage system presents only volumes, not vdisks, to hosts.
To create a vdisk. Vdisk name: This field is populated with a default name, which can be changed.
A vdisk name is case sensitive and can have a maximum of 32 bytes. It cannot already exist in the system or include the following: '. Selecting disks Select disks to include in the vdisk. The disk selection sets table has one row for each sub-vdisk in a RAID-10 or RAID-50 vdisk, or a single row for a vdisk having another RAID level.
The table also has a SPARE row where dedicated spares to the vdisk can be assigned. In each row, the Disks field shows how many disks can be, and have, assigned. As disks are selected, the table shows the amount of storage space in the vdisk. For descriptions of storage-space color codes,. The Tabular tab shows all available disks in all enclosures in a table, displaying Health, Name, Type, State, Size, Enclosure, Serial Number, and Status. The Graphical tab shows disk information graphically, displaying the state for each disk (VDISK, AVAIL, SPARE, VIRTUAL POOL). Only available disks can be selected.
Disks selected are highlighted and color-coded to match the rows in the Disk Selection Sets table. Based on the type of disk select first (SAS SSD, enterprise SAS, or midline SAS), only available disks of that type become selectable.
Disks of different types cannot be mixed in a vdisk. Number of volumes to create: Specify the number of volumes to create. Enter 0, if volumes are not required. After changing the value, press Tab. Volume size: Specify the size of each volume. The default size is the total capacity of the vdisk divided by the number of volumes.
Base name for volumes: Specify the base name for the volumes. A volume name is case sensitive and can have a maximum of 16 bytes. It cannot already exist in a vdisk or include the following: '.
A Logical Unit Number (LUN): LUN is used to identify a mapped volume to hosts. Both controllers share one set of LUNs. Each LUN can be assigned as the default LUN for only one volume in the storage system. For example, if LUN 5 is the default for Volume 1, LUN 5 cannot be the default LUN for any other volume. The level of access: Read-write, read-only, or no access - that hosts will have to each volume. When a mapping specifies no access, the volume is masked.
Controller host ports through which hosts will be able to access each volume. To maximize performance, it is recommended to map a volume to at least one host port on the controller that the volume’s vdisk is assigned to.
To sustain I/O in the event of controller failure, it is recommended to map to at least one host port on each controller. After a volume is created change its default mapping, and create, modify, or delete explicit mappings.
An explicit mapping overrides the volume’s default mapping for a specific host. Creating a vdisk Before creating a vdisk, consider some basics, such as the RAID level and the type, capacity, and sector format of the disks. When selecting disks for the vdisk, view the disk type and capacity. To identify the sector format for a disk, in the Configuration View panel, right-click an enclosure and select View, Overview. Select a disk and click the Properties tab to view the disk properties, including its sector format (512n or 512e). Vdisks support a mix of 512n and 512e disks. However, for consistent and predictable performance, do not mix disks of different rotational speed or sector size types (512n, 512e).
Vdisk name: Optionally change the default name for the vdisk. A vdisk name is case sensitive and can have a maximum of 32 bytes. It cannot already exist in the system or include the following: '. Enable: On selecting this option, use the vdisk while it is initializing but because the verify method is used to initialize the vdisk, initialization takes more time. Disable: On clearing this option, wait for initialization to complete before using the vdisk, but initialization takes less time.
Online initialization is fault tolerant. Select disks to include in the vdisk. The Disk Selection Sets table has one row for each sub-vdisk in a RAID-10 or RAID-50 vdisk, or a single row for a vdisk having another RAID level.
The table also has a SPARE row to assign dedicated spares to the vdisk. In each row, the Disks field shows how many disks can be, and have, assigned. On selecting disks, the table shows the amount of storage space in the vdisk. For descriptions of storage-space color codes,. The Tabular tab shows all available disks in all enclosures in a table, displaying Health, Name, Type, State, Size, Enclosure, Serial Number, and Status.
The Graphical tab shows disk information graphically, displaying the state for each disk (VDISK, AVAIL, SPARE). Only available disks can be selected. Disks selected are highlighted and color-coded to match the rows in the Disk Selection Sets table. Based on the type of disk selected first (SAS SSD, enterprise SAS, or midline SAS), only available disks of that type become selectable.
Disks of different types cannot be mixed in a vdisk. To select disks and spares. Right-click the system or Vdisks and then select Provisioning, Delete Vdisks. Right-click a vdisk and select Provisioning, Delete Vdisk. In the main panel, select the vdisks to delete. To select or clear all vdisks, toggle the check box in the heading row.
Click Delete Vdisk(s). A confirmation dialog appears. Click Delete to continue. Otherwise, click Cancel. On clicking Delete, a processing dialog appears. If the task succeeds, an overview panel and a success dialog appear.
As processing completes, the deleted items are removed from the Configuration View panel. Managing global spares A maximum of 16 global spares can be designated for the system. If a disk in any fault-tolerant vdisk (RAID 1, 3, 5, 6, 10, 50) fails, a global spare is automatically used to reconstruct the vdisk.
At least one vdisk must exist before adding a global spare. A spare must have sufficient capacity to replace the smallest disk in an existing vdisk. The vdisk remains in critical status until the parity or mirror data is completely written to the spare, at which time the vdisk returns to fault-tolerant status. For RAID-50 vdisks, if more than one sub-vdisk becomes critical, reconstruction and use of spares occur in the order sub-vdisks are numbered.
To illuminate a locator LED for a disk, select the disk and click Turn On LEDs. To turn off locator LEDs for a disk, click Turn Off LEDs. Volume Set Base-name: This field is populated with a default base name for the volumes, which can be changed. The volume names will consist of the base name and a number that increments from 0000.
If a name in the series is already in use, the next name in the series is assigned. For example, for a two-volume set starting with Volume0000, if Volume0001 already exists, the second volume is named Volume0002. A base name is case sensitive and can have a maximum of 16 bytes.
Avoid the following: '. Volume name: This field is populated with a default name, which can be changed. A volume name is case sensitive and can have a maximum of 32 bytes.
It cannot already exist in a vdisk or include the following: '. Standard Policy: This option creates a snap pool named spvolume-name whose size is either 20% of the volume size or 5.37GB, whichever is larger. The recommended minimum size for a snap pool is 50GB. Reserve Size: Specify the size of the snap pool to create in the vdisk and associate with the new volume.
The default size is either 20% of the volume size or 5.37GB, whichever is larger. The recommended minimum size for a snap pool is 50GB. Attach Pool: Select an existing snap pool to associate with the new volume. Replication Prepare: Select this option, to use this volume as a replication destination when the system is licensed to use remote replication.
Selecting this option disables the Map option. Map: Select this option to change the default mapping for the volume. NOTE: Do not map LUN 0 for a SAS initiator. Create a maximum of 1024 volumes, but the supported LUN range is 1 - 1023 only, 1023 volumes can be mapped using default mapping. Using explicit mapping, all volumes can be mapped. Click Apply.
A confirmation dialog appears. Click Yes to continue. Otherwise, click No.
On clicking Yes, volume creation begins. If the task succeeds, the new volume appears in the Configuration View panel. On specifying an option to create a new snap pool, the new snap pool also appears in that panel. Right-click the system or Vdisks or a vdisk and then select Provisioning, Delete Volumes.
Right-click a volume and select Provisioning, Delete Volume. In the main panel, select the volumes to delete. To select up to 100 volumes or clear all selections, toggle the check box in the heading row.
Click Delete Volume(s). Click Delete to continue. Otherwise, click Cancel. On clicking Delete, a processing dialog appears. If the task succeeds, an overview panel and a success dialog appear. As processing completes, the deleted items are removed from the Configuration View panel.
Changing default mapping for multiple volumes For all volumes in all vdisks or a selected vdisk, default access to those volumes by all hosts can be changed. When multiple volumes are selected, LUN values are sequentially assigned starting with a LUN value that is specified. For example, if the starting LUN value is 1 for 30 selected volumes, the first volume’s mapping is assigned LUN 1 and so forth, and the last volume’s mapping is assigned LUN 30. For LUN assignment to succeed, ensure that no value in the sequence is already in use.
Explicitly mapping multiple volumes For all volumes in all vdisks or a selected vdisk, change access to those volumes by a specific host. When multiple volumes are selected, LUN values are sequentially assigned starting with a LUN value that is specified. For example, if the starting LUN value is 1 for 30 selected volumes, the first volume’s mapping is assigned LUN 1 and so forth, and the last volume’s mapping is assigned LUN 30.
For LUN assignment to succeed, ensure that no value in the sequence is already in use. When specifying access through specific ports, the ports and host must be the same type (for example, FC or SAS). In the Configuration View panel, right-click Vdisks or a vdisk and then select Provisioning, Unmap Volumes. In the main panel, a table shows all the volumes for the selected vdisk. In the table, select the volumes to unmap. To select up to 100 items or clear all selections, toggle the check box in the heading row.
Click Unmap Volume(s). A message specifies whether the change succeeded or failed. Default and explicit mappings are deleted and the volumes access type changes to not-mapped. Creating multiple snapshots Multiple volumes can be selected and immediately create a snapshot of each volume. The first time a snapshot is created of a standard volume, the volume is converted to a master volume and a snap pool is created in the volume’s vdisk. The snap pool’s size is either 20% of the volume size or 5.37GB, whichever is larger. The recommended minimum size for a snap pool is 50GB.
Before creating or scheduling snapshots, verify that the vdisk has enough free space to contain the snap pool. To create snapshots of multiple volumes. Creating a snapshot A snapshot can be created now or the snapshot task can be scheduled. The first time a snapshot is created of a standard volume, the volume is converted to a master volume and a snap pool is created in the volume’s vdisk. The snap pool’s size is either 20% of the volume size or 5.37GB, whichever is larger.
The recommended minimum size for a snap pool is 50GB. Before creating or scheduling snapshots, verify that the vdisk has enough free space to contain the snap pool. To create a snapshot now. Date must use the format yyyy-mm-dd. Time must use the format hh:mm followed by either AM, PM, or 24H (24-hour clock).
For example, 13:00 24H is the same as 1:00 PM. Recurrence: Specify either One Time, which schedules a single instance, or the interval at which the task should run. Set the interval to at least two minutes. For better performance if this task will run under heavy I/O conditions or on more than three volumes, set the retention count and the schedule interval to similar values. For example if the retention count is 10 then the interval should be set to 10 minutes. The default is 1 minute. Time Constraint: Specify either No Time Constraint, which allows the schedule to run at any time, or a time range within which the task should run.
Date Constraint: Specify either No Date Constraint, which allows the schedule to run on any day, or days when the task should run. Ensure that this constraint includes the Start Schedule date. End Schedule: Specify either Continuous, which allows the schedule to run without an end date, or when the task should stop running. Click Schedule Snapshots. If processing succeeds, the schedule is saved and can be viewed in the overview panel for the volume or system.
Verify that hosts are not accessing the snapshots to be deleted. In the Configuration View panel, right-click either the system or a vdisk or a master volume or a primary volume or a secondary volume or a snapshot or a replication image and then select Provisioning, Delete Snapshot.
In the main panel, select the snapshots to delete. Click Delete Snapshot(s). Click OK to continue. Otherwise, click Cancel.
On clicking OK, a processing dialog appears. If the task succeeds, an overview panel and a success dialog appear. As processing completes, the deleted items are removed from the Configuration View panel. Date must use the format yyyy-mm-dd. Time must use the format hh:mm followed by either AM, PM, or 24H (24-hour clock).
For example, 13:00 24H is the same as 1:00 PM. Recurrence: Specify either One Time, which schedules a single instance, or the interval at which the task should run. Set the interval to at least 2 minutes. The default is 1 minute. Time Constraint: Specify either No Time Constraint, which allows the schedule to run at any time, or a time range within which the task should run. Date Constraint: Specify either No Date Constraint, which allows the schedule to run on any day, or days when the task should run.
Ensure that this constraint includes the Start Schedule date. End Schedule: Specify either Continuous, which allows the schedule to run without an end date, or when the task should stop running. Click Reset Snapshot. If the task succeeded, the schedule is saved and can be viewed in the overview panel for the snapshot or system.
Make a reminder to unmount/unpresent/unmap the snapshot before the scheduled task runs. Creating a volume copy It is possible to copy a volume or a snapshot to a new standard volume.
The destination volume must be in a vdisk owned by the same controller as the source volume. If the source volume is a snapshot, choose whether to include its modified data (data written to the snapshot since it was created). The destination volume is completely independent of the source volume. The first time a volume copy is created of a standard volume, the volume is converted to a master volume and a snap pool is created in the volume’s vdisk. The snap pool’s size is either 20% of the volume size or 5.37GB, whichever is larger. The recommended minimum size for a snap pool is 50GB. Before creating or scheduling copies, verify that the vdisk has enough free space to contain the snap pool.
For a master volume, the volume copy creates a transient snapshot, copies the data from the snapshot, and deletes the snapshot when the copy is complete. For a snapshot, the volume copy is performed directly from the source. This source data may change if modified data is to be included in the copy and the snapshot is mounted/presented/mapped and I/O is occurring to it.
To ensure the integrity of a copy of a master volume, unmount/unpresent/unmap the volume or at minimum perform a system cache flush and refrain from writing to the volume. Since the system cache flush is not natively supported on all OSs, it is recommended to unmount/unpresent/unmap temporarily. The volume copy is for all data on the disk at the time of the request, so if there is data in the OS cache, that will not be copied over. Unmounting/unpresenting/unmapping the volume forces the cache flush from the OS.
After the volume copy has started, it is safe to remount/re-present/remap the volume and/or resume I/O. To ensure the integrity of a copy of a snapshot with modified data, unmount/unpresent/unmap the snapshot or perform a system cache flush. The snapshot will not be available for read or write access until the volume copy is complete, at which time user can remount/re-present/remap the snapshot. If modified write data is not to be included in the copy, then safely leave the snapshot mounted/presented/mapped. During a volume copy using snapshot modified data, the system takes the snapshot offline, as shown by the Snapshot Overview panel. The volume copy’s progress is shown in the Volume Overview panel. Create a volume copy now or schedule the copy task.
To create a volume copy now. New Volume Name: Optionally change the default name for the destination volume.
A volume name is case sensitive and can have a maximum of 32 bytes. It cannot already exist in a vdisk or include the following: '. New Volume Prefix: Optionally change the default prefix to identify volumes created by this task. The prefix is case sensitive and can have a maximum of 26 bytes. Avoid the following: '. Date must use the format yyyy-mm-dd. Time must use the format hh:mm followed by either AM, PM, or 24H (24-hour clock).
For example, 13:00 24H is the same as 1:00 PM. Recurrence: Specify interval at which the task should run. Set the interval to at least 2 minutes. The default is 1 minute. Time Constraint: Specify a time range within which the task should run. Date Constraint: Specify days when the task should run.
Ensure that this constraint includes the Start Schedule date. End Schedule: Specify when the task should stop running. Click Schedule Volume Copy. If the task succeeded, the schedule is saved and can be viewed in the overview panel for the volume or system.
On copying snapshot modified data, make a reminder to unmount/unpresent/unmap the snapshot before the scheduled task runs. CAUTION:.
Before rolling back a volume it is a must to unmount/unpresent/unmap it from data hosts to avoid data corruption. For including snapshot modified data in the roll back, user must also unmount/unpresent/unmap the snapshot. If the snap pool runs out of space, the master volume will change to read only until the rollback has completed. Whenever a roll back is performed, the data that existed on the volume is replaced by the data on the snapshot. That is, all data on the volume written since the snapshot was taken is lost.
As a precaution, take a snapshot of the volume before starting a roll back. Only one roll back is allowed on the same volume at one time. Additional roll backs are queued until the current roll back is complete. However, after the roll back is requested, the volume is available for use as if the roll back has already completed. During a roll back operation using snapshot modified data, the snapshot must be unmounted/unpresented /unmapped and cannot be accessed. Unmounting/unpresenting/unmapping the snapshot ensures that all data cached by the host is written to the snapshot.
If unmounting/unpresenting/unmapping is not performed at the host level prior to starting the roll back, data may remain in host cache, and thus not be rolled back to the master volume. As a precaution against inadvertently accessing the snapshot, the system also takes the snapshot offline, as shown by the Snapshot Overview panel. The snapshot becomes inaccessible in order to prevent any data corruption to the master volume. The snapshot can be remounted/re-presented/remapped once the roll back is complete. To roll back a volume. For Volume: The name of the volume to roll back. From Snapshot Volume: Enter the name of the snapshot to roll back to.
With Modified Data: Select this option to include the snapshot’s modified data in the roll back. Otherwise, the master volume will contain only the data that existed when the snapshot was created.
Click Roll Back Volume. The roll back starts remount/re-present/remap the volume now. When the roll back is complete, if user unmounted/unpresented/unmapped the snapshot user can remount/re-present/remap it. Right-click the local system or Vdisks or a vdisk and select Provisioning, Delete Snap Pools. Right-click a snap pool and select Provisioning, Delete Snap Pool.
In the main panel, select the snap pools to delete. Click Delete Snap Pool(s).
Click Delete to continue. Otherwise, click Cancel. On clicking Delete, a processing dialog appears.
If the task succeeds, an overview panel and a success dialog appear. As processing completes, the deleted items are removed from the Configuration View panel. Right-click the system or Hosts and then select Provisioning, Remove Hosts. Right-click a host and select Provisioning, Remove Host. In the main panel, select the hosts to remove. To select or clear all items, toggle the check box in the heading row. Click Remove Host(s).
A confirmation dialog appears. Click Remove to continue. Otherwise, click Cancel. On clicking Remove, a processing dialog appears.
If the task succeeds, an overview panel and a success dialog appear. As processing completes, the deleted items are removed from the Configuration View panel. Configuring CHAP For iSCSI, use Challenge-Handshake Authentication Protocol (CHAP) to perform authentication between the initiator and target of a login request. To perform this identification, a database of CHAP entries must exist on each device. Each CHAP entry can specify one name-secret pair to authenticate the initiator only (one-way CHAP) or two pairs to authenticate both the initiator and the target (mutual CHAP). For a login request from an iSCSI host to a storage system, the host is the initiator and the storage system is the target. When CHAP is enabled and the storage system is the recipient of a login request from a known originator (initiator), the system will request a known secret.
If the originator supplies the secret, the connection will be allowed. To enable or disable CHAP for all iSCSI hosts,. To add or modify a CHAP entry. Node Name (IQN): The initiator name, typically in IQN format. Secret: The secret that the target uses to authenticate the initiator. The secret is case sensitive and can include 12 to 16 bytes. The value can include spaces and printable UTF-8 characters except for the following: '.
Date must use the format yyyy-mm-dd. Time must use the format hh:mm followed by either AM, PM, or 24H (24-hour clock). For example, 13:00 24H is the same as 1:00 PM. Recurrence: Specify interval at which the task should run. Select either One Time or how often the task should occur.
If the task is recurrent, select Minutes, Hours, Days, Weeks, Months, or Years from the list. If One Time is selected, no further options are available and the task will occur only on the date and time specified in Start Schedule. For a snapshot schedule, set the interval to at least 2 minutes. For better performance if this task will run under heavy I/O conditions or on more than three volumes, set the retention count and the interval to similar values. For example if the retention count is 10 then set the interval to 10 minutes. For a volume-copy or reset-snapshot schedule, set the interval to at least 2 minutes.
For a replication schedule, set the interval to at least 30 minutes. Time Constraint: Specify a time range within which the task should run.
Select either No Time Constraint or times between which the task will run. If No Date Constraint is selected, the task will occur whenever scheduled. For Any, select a type of day (any day, weekday, weekend day, or specific day of the week) and a year, month, or specific month. For example, select Any Weekday of June, the task can occur only on weekdays in June. For a specific time, select a type of day (any day, weekday, weekend day, or specific day of the week), a number, and a year, month, or specific month. For example, select Sunday number 3 of January, the task can occur only on the 3rd Sunday of January.
End Schedule: Specify when the task should stop running. Select Continuous, Date, or End After. About vdisks A vdisk is a virtual disk that is composed of one or more disks, and has the combined capacity of those disks. The number of disks that a vdisk can contain is determined by its RAID level. All disks in a vdisk must be the same type (SAS SSD), enterprise SAS, or midline SAS.
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A maximum of 64 vdisks per system can exist. A vdisk can contain different models of disks, and disks with different capacities and sector formats. On mixing disks with different capacities, the smallest disk determines the logical capacity of all other disks in the vdisk, regardless of RAID level. For example, the capacity of a vdisk composed of one 500GB disk and one 750GB disk is equivalent to a vdisk composed of two 500GB disks. To maximize capacity, use disks of similar size. For greatest reliability, use disks of the same size and rotational speed. Each disk has metadata that identifies whether the disk is a member of a vdisk, and identifies other members of that vdisk.
This enables disks to be moved to different slots in a system; an entire vdisk to be moved to a different system; and a vdisk to be quarantined if disks are detected missing. Sector format The system supports 512 byte native sector size disks, 512 byte emulated sector size disks, or a mix of these sector formats. The system identifies the sector format used by a disk or vdisk as follows. 512n: All disks use the 512 byte native sector size. Each logical block and physical block is 512 bytes.
512e: All disks use a 512 byte emulated sector size. Each logical block is 512 bytes and each physical block is 4096 bytes. Eight logical blocks will be stored sequentially in each physical block.
Logical blocks may or may not be aligned with physical block boundaries. Mixed: The vdisk contains a mix of 512n and 512e disks. For consistent and predictable performance, do not mix disks of different rotational speed or sector size types (512n, 512e). CAUTION: The emulation for 512e disks supports backward-compatibility for many applications and legacy OS that do not support 4K native disks. However, older versions of application software, such as virtualization software that resides between the OS and storage firmware, may not fully support 512e disk emulation.
If not, performance degradation might result. Ensure to upgrade to the most recent version of any software that might be affected. In a single-controller system, all vdisks are owned by that controller. In a dual-controller system, when a vdisk is created the system automatically assigns the owner to balance the number of vdisks each controller owns; or, owner can be selected. Typically it does not matter which controller owns a vdisk. In a dual-controller system, when a controller fails, the partner controller assumes temporary ownership of the failed controller’s vdisks and resources. If a fault-tolerant cabling configuration is used to connect the controllers to drive enclosures and hosts, both controllers LUNs are accessible through the partner.
Chunk size While create a vdisk use the default chunk size or one that better suits the application. The chunk size is the amount of contiguous data that is written to a disk before moving to the next disk. After a vdisk is created its chunk size cannot be changed. For example, if the host is writing data in 16KB transfers, that size would be a good choice for random transfers because one host read would generate the read of exactly one disk in the volume. That means if the requests are random-like, then the requests would be spread evenly over all of the disks, which is good for performance. If accesses from the host is 16KB and chunk size is 64KB, then some of the hosts accesses would hit the same disk.
Each chunk contains four possible 16KB groups of data that the host might want to read, which is not an optimal solution. Alternatively, if the host accesses were 128KB, then each host read would have to access two disks in the vdisk. For random patterns, that ties up twice as many disks. Volumes While creating a vdisk create a volumes within it. A volume is a logical subdivision of a vdisk, and can be mapped to controller host ports for access by hosts. The storage system presents only volumes, not vdisks, to hosts.
Vdisks can be created with or without volumes by using the Provisioning Wizard, or create vdisks manually. Tips Best practices for creating vdisks include. To maximize capacity, use disks of similar size. For greatest reliability, use disks of the same size and rotational speed. For storage configurations using many disks, create a few vdisks each containing many disks instead of many vdisks each containing a few disks. To maximize capacity and disk usage (but not performance), create vdisks larger than 2TB and divide them into multiple volumes each having a capacity of 2TB or less.
This increases the usable capacity of storage configurations by reducing the total number of parity disks required when using parity-protected RAID levels. This differs from using a volume larger than 2TB, which requires specific support by the host OS, I/O adapter, and application. For maximum use of a dual-controller system’s resources, each controller should own a similar number of vdisks.
Set the chunk size to match the transfer block size of the host application. In the Configuration View panel, right-click the system and select Configuration, System Settings, Host Interfaces. For MSA 2040: Set the speed option to the proper value to communicate with the host. The speed can be set to auto, which auto-negotiates the proper link speed with the host, or to 4Gb, 8Gb, or 16Gb (Gb/s). Because a speed mismatch prevents communication between the port and host, set a speed only if there is a need to force the port to use a known speed.
The maximum link speed is determined by the installed SFP. The FC Connection Mode can be point-to-point or auto.
Controller A port 3: 10.10.10.100. Controller A port 4: 10.11.10.120. Controller B port 3: 10.10.10.110.
Controller B port 4: 10.11.10.130. Netmask: For IPv4, subnet mask for assigned port IP address. The default is 255.255.255.0.
Gateway: For IPv4, gateway IP address for assigned port IP address. The default is 0.0.0.0. Default Router: For IPv6, default router for assigned port IP address.
If the gateway was set for IPv4 and then ports were switched to IPv6, the default is::IPv4-address. Otherwise, the default is:: (the short form of all zeroes). Link-Local Address: For IPv6, the link-local address that is automatically generated from the MAC address and assigned to the port. NOTE: Use of jumbo frames can succeed only if jumbo-frame support is enabled on all network components in the data path.
iSCSI IP Version: Specifies whether IP values use Internet Protocol version 4 (IPv4) or version 6 (IPv6) format. IPv4 uses 32-bit addresses. IPv6 uses 128-bit addresses. The default is IPv4. iSNS: Enables or disables registration with a specified Internet Storage Name Service server, which provides name-to-IP-address mapping. Disabled by default. iSNS Address: Specifies the IP address of an iSNS server.
The default address is all zeroes. Alternate iSNS Address: Specifies the IP address of an alternate iSNS server, which can be on a different subnet.
The default address is all zeroes. Click Apply.
Front Graphical: Shows a graphical view of the front of each enclosure and its disks. Front Tabular: Shows a tabular view of each enclosure and its disks. Rear Graphical: Shows a graphical view of components at the rear of the enclosure.
Rear Tabular: Shows a tabular view of components at the rear of the enclosure. Tabular views are initially sorted by the Name property In any of these views, select a component to see more information about it. Components vary by enclosure model.
If any components are unhealthy, a table at the bottom of the panel identifies them. When a disk is selected, view properties or historical performance statistics. Uninitialized: Task is not yet ready to run. Ready: Task is ready to run. Active: Task is running. Error: Task has an error.
Invalid: Task is invalid. Complete: Task is complete. Deleted: Task has been deleted. Task State: Current step of task processing. Steps vary by task type.
Source Volume: Name of the volume to snap, copy, or replicate. Source Volume Serial: Source volume serial number. Destination Vdisk: Name of the destination vdisk for a volume copy.
Destination Vdisk Serial: Destination vdisk serial number. Prefix: Label that identifies snapshots, volume copies, or replication images created by this task. Count: Number of snapshots to retain with this prefix. When a new snapshot exceeds this limit, the oldest snapshot with the same prefix is deleted. Last Created: Name of the last snapshot, volume copy, or replication image created by the task.
Last Used Snapshot: For a task whose replication mode is last-snapshot, the name of the last snapshot used for replication. Snapshot Name: Name of the snapshot to reset. Snapshot Serial: Snapshot serial number. Mode: Replication mode.
Play Pool online for free in 3D! 8-Ball, 9-Ball, Snooker, Billiards, Pub Pool, 28 games total. Compete in tournaments or play with friends.
Tournaments are single or double elimination and run continuously. Some have handicapping or are player skill rating restricted so there is good competition for all levels of players from novice to champion! All tournament pay out in virtual currency. Each player has a player profile with picture, awards, friends list, rating and more. View other players profiles and invite them as friends. The Virtual Pool 4 Online website keeps players connected to friends and their favorite tournament events.
There is a calendar of events showing upcoming tournaments, color coded to show events friends signed up for and recommended events. Virtual Pool 4 Online's lobby is the main meeting and chatting place for players. It's easy to find opponents there, or just hang out and enjoy the conversations with other pool enthusiasts. It's simple to set up a private chat and hold a personal conversation.
Players can even create Match or Challenge rooms and optionally password protect them to make them private. In Match rooms, players can play any game, to any score, on any table, in any venue, with players chosen by the game master. There is even team play. Challenge rooms are 'King of the Hill' events in which the winner stays on, and other players queue to try to beat the king.
Players use virtual currency to buy break cues, jump cues, after-market playing shafts that lower cue deflection and make shooting more accurate, and fancy cues with ivory and precious stone inlays. Latest software from Celeris Inc.
Play Pool online for free in 3D! 8-Ball, 9-Ball, Snooker, Billiards, Pub Pool, 28 games total. Compete in tournaments or play with friends.
Player profile, statistics, calendar, shot upload, tournaments, lobby with chat. Grab your cue and play now! Statement: Download Collection.com periodically updates software information of Virtual Pool 4 Online from the publisher Celeris Inc. You can visit publisher website by clicking Homepage link. Software piracy is theft. Using Virtual Pool 4 Online crack, key, serial numbers, registration codes is illegal.
The download file hosted at publisher website. We do not provide any download link points to Rapidshare, Hotfile, Depositfiles, Mediafire, Filefactory, etc. Or obtained from file sharing programs such as Limewire, Kazaa, Imesh, Ares, BearShare, BitTorrent, WinMX etc.
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Play free online billiard games - pool and snooker at www.8ballclub.com!We offer you not only the modern 3D Billiards Game with most realistic graphics, detailed physics and lifelike sound. This is the new game from the ones who brought us Billiard Magic, the leading Snooker arena online and it looks like it. It is all about the customer and convincing him to stay - easy to use and register, easy to play and play for money!.
The program includes the following games: - French Billiards - Pool - Snooker - Esnuka (Spanish billiards) - Esnuka-II - Esnuka-III In all the games there is the possibility to play against the computer as there are up to 10 players with different le. For a futuristic twist on standard pool, download Cosmic pool now! Taking place in zero-gravity space, you must knock all of your type of ball out of play before scoring the eight ball. A free shooter game that will launch your logics and imagination into a new dimension. Lots of multicolored balls on the playing field are scattered in mess.
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