raid5总容量计算
(n-1)*最小盘容量
RAID0：N块盘组成，逻辑容量为N块盘容量之和；
RAID1：两块盘组成，逻辑容量为一块盘容量；
RAID3：N+1块盘组成，逻辑容量为N块盘容量之和；
RAID5：N块盘组成，逻辑容量为N-1块盘容量之和；
RAID6：N块盘组成，逻辑容量为N-2块盘容量之和；
RAID10：2N块盘组成，逻辑容量为N块盘容量之和；
RAID50：假每个RAID5由N块盘组成，共有M个RAID5组成该RAID50，则逻辑容量为(N-1)*M块盘容量之和。
[root@rac1 iscsi]# ssh [email protected]
[email protected]'s password:
IBM_Storwize:storage:cliadmin>
IBM_Storwize:storage:cliadmin>
IBM_Storwize:storage:cliadmin>help
activatefeature - Activates a function using a trial period or license key.
addhostiogrp - Maps I/O groups to a host object.
addhostport - Adds worldwide port names (WWPNs) or iSCSI names to a host object.
addvdiskaccess - Adds to the set of I/O groups in which a Volume can be made accessible to hosts.
addvdiskcopy - Adds a copy to an existing volume
applydrivesoftware - Upgrades drives.
applysoftware - Updates the system code.
cancellivedump - Cancels a livedump.
catauditlog - Displays the in-memory contents of the audit log.
cfgportip - Assigns an IP address to each node canister ethernet port for iSCSI I/O.
charray - Changes the attributes of an array.
charraymember - Changes an array member's attributes, or swaps a member of a RAID array.
chauthservice - Configures the remote authentication service of the system.
chcontroller - Changes the attributes of a controller.
chcurrentuser - Changes the attributes of the current user.
chdrive - Change the attributes of a drive.
chemail - Sets or changes contact information for email event notifications.
chemailserver - Changes the attributes of an email server.
chemailuser - Changes the attributes for an email recipient.
chenclosure - Changes enclosure properties.
chenclosurecanister - Changes the properties of an enclosure canister.
chenclosureslot - Changes the properties of an enclosure slot.
cherrstate - Marks an unfixed error as fixed or a fixed error as unfixed.
cheventlog - Changes events in the event log.
chfcconsistgrp - Changes the attributes of a FlashCopy consistency group.
chfcmap - Changes the attributes of a FlashCopy mapping.
chhost - Changes the attributes of a host object.
chiogrp - Changes the name and other attributes of an I/O group.
chldap - Changes the system-wide Lightweight Directory Access Protocol (LDAP) configuration.
chldapserver - Changes a Lightweight Directory Access Protocol (LDAP) server.
chmdisk - Changes the attributes of a managed disk.
chmdiskgrp - Changes the attributes of a storage pool.
chnodecanister - Changes the name and other attributes of a node canister.
chnodecanisterhw - Updates the hardware configuration for a node canister.
chpartnership - Changes the partnership bandwidth between the local and remote system.
chquorum - Changes the quorum association.
chrcconsistgrp - Changes the attributes of a Metro Mirror or Global Mirror consistency group
chrcrelationship - Changes the attributes of a Metro Mirror or Global Mirror relationship.
chsecurity - Changes security settings.
chsnmpserver - Changes the attributes of an SNMP server.
chsyslogserver - Changes the attributes of a syslog server.
chsystem - Changes the attributes of an existing system.
chsystemip - Changes the IP configuration parameters for the system.
chuser - Changes the attributes of a user.
chusergrp - Changes the attributes of a user group.
chvdisk - Changes the attributes of a volume.
cleardumps - Cleans the dump directories on a specified node canister.
clearerrlog - Clears all entries from the event log.
cpdumps - Copies dump files to the configuration node canister from another node canister.
deactivatefeature - Deactivates a function.
detectmdisk - Detects new managed disks and rebalances managed disk access.
dumpallmdiskbadblocks - Dumps bad block counts to a dump.
dumpauditlog - Resets or clears the contents of the in-memory audit log.
dumperrlog - Dumps the contents of the event log to a text file.
dumpmdiskbadblocks - Writes managed disk bad block counts and locations to a dump.
enablecli - Enables the CLI for a recovered system.
expandvdisksize - Expands the size of a volume by a given capacity.
finderr - Finds the highest severity unfixed error in the event log.
includemdisk - Includes a managed disk that has been excluded by the system.
lsarray - Displays array managed disks
lsarrayinitprogress - Displays the progress of array background initialization.
lsarraylba - Displays an array logical block address (LBA) for a drive and LBA.
lsarraymember - Displays the member drives of one or more array managed disks.
lsarraymembergoals - Displays the spare goals for member drives of one or more array members.
lsarraymemberprogress - Displays array member background process status.
lsarraysyncprogress - Displays how synchronized a RAID array is.
lscontroller - Displays the controllers visible to the system.
lscopystatus - Displays whether any file copies are currently in progress.
lscurrentuser - Displays the name and role of the logged-in user.
lsdependentvdisks - Displays which volumes will go offline if you remove a piece of hardware from the system.
lsdiscoverystatus - Displays whether a discovery operation is in progress.
lsdrive - Displays configuration information and drive VPD.
lsdrivelba - Maps array managed disk logical block address (LBA) to a set of drives.
lsdriveprogress - Displays the progress of various drive tasks.
lsdriveupgradeprogress - Displays the progress of drive firmware upgrade.
lsdumps - Displays files in a dumps directory on one of the node canisters in the system.
lsemailserver - Displays the email servers configured on the system.
lsemailuser - Displays email event notification settings for email recipients.
lsenclosure - Displays a summary of the enclosures.
lsenclosurebattery - Displays information about the batteries in the enclosure PSUs.
lsenclosurecanister - Displays status for each canister in an enclosure.
lsenclosurechassis - Displays information about the enclosure chassis.
lsenclosurepsu - Displays information about each power-supply unit (PSU) in the enclosure.
lsenclosureslot - Displays information about each drive slot in the enclosure.
lsenclosurestats - Displays enclosure statistics.
lseventlog - Displays system event log information.
lsfabric - Displays a report of the Fibre Channel connectivity between node canisters, controllers and hosts.
lsfcconsistgrp - Displays the FlashCopy consistency groups on the system.
lsfcmap - Displays the FlashCopy mappings on the system.
lsfcmapcandidate - Displays volumes available to create FlashCopy mappings.
lsfcmapdependentmaps - Displays the FlashCopy mappings that are dependent on a specified mapping.
lsfcmapprogress - Displays the progress of the background copy of a FlashCopy mapping.
lsfcportcandidate - Displays unconfigured, logged-in SAS host bus adapter (HBA) ports.
lsfeature - Displays available features.
lsfreeextents - Displays the number of free extents available on a managed disk.
lshbaportcandidate - Displays unconfigured, logged-in host bus adapter (HBA) ports.
lshost - Displays the hosts visible to the system.
lshostiogrp - Displays the I/O groups associated with a specified host.
lshostvdiskmap - Displays volumes that are mapped to a given host.
lsiogrp - Displays the I/O groups on the system.
lsiogrpcandidate - Displays I/O groups that can have node canisters added to them.
lsiogrphost - Displays the hosts mapped to an I/O group.
lsiscsiauth - Displays the Challenge Handshake Authentication Protocol (CHAP) secret configured for authenticating an entity to the system.
lsldap - Displays the system-wide Lightweight Directory Access Protocol (LDAP) configuration.
lsldapserver - Displays all configured Lightweight Directory Access Protocol (LDAP) servers.
lslivedump - Displays the livedump state of a node canister.
lsmdisk - Displays the managed disks visible to the system.
lsmdiskcandidate - Displays unmanaged disks by ID.
lsmdiskextent - Displays the extent allocation between managed disks and volumes.
lsmdiskgrp - Displays the storage pools on the system.
lsmdisklba - Displays managed disk and logical block address (LBA) for a volume LBA.
lsmdiskmember - Displays the volumes using extents on the specified managed disks.
lsmetadatavdisk - Displays the information for the metadata volume.
lsmigrate - Displays the progress of current data migration operations.
lsnodecanister - Displays the node canisters that are part of the system.
lsnodecanisterhw - Displays the hardware configuration of node canisters in the system.
lsnodecanisterstats - Displays node canister statistics.
lsnodecanistervpd - Displays the vital product data (VPD) for each node canister.
lspartnership - Displays the current systems partnered with the local system.
lspartnershipcandidate - Displays systems available for setting up a partnership with.
lsportfc - Displays information about the Fibre Channel I/O ports.
lsportip - Displays the iSCSI IP addresses assigned for each port on each node canister in the system.
lsportsas - Displays information about the SAS ports.
lsportusb - Displays information about the USB ports used for encryption.
lsquorum - Displays the managed disks or drives the system is currently using to store quorum data.
lsrcconsistgrp - Displays the Metro or Global Mirror consistency on the system.
lsrcrelationship - Displays the Metro or Global Mirror relationships on the system.
lsrcrelationshipcandidate - Displays volumes available to form Metro Mirror or Global Mirror relationships.
lsrcrelationshipprogress - Displays the progress of the background copy of a Metro Mirror or Global Mirror relationship.
lsrepairsevdiskcopyprogress - Displays the repair progress for space-efficient volume copies.
lsrepairvdiskcopyprogress - Displays the progress of volume repairs and validations.
lsrmvdiskdependentmaps - Displays all mappings that must be stopped for a volume to be deleted.
lsroute - Displays the IP routing table.
lssasfabric - Displays which canisters are visible to a node canister, and the order of these canisters.
lssasportcandidate - Displays unconfigured, logged-in FC host bus adapter (HBA) ports.
lssecurity - Internal use only.
lssevdiskcopy - Displays the space-efficient copies of volumes.
lssnmpserver - Displays the SNMP servers configured on the system.
lssyslogserver - Displays the syslog servers configured on the system.
lssystem - Displays the local system.
lssystemip - Displays the system management IP addresses configured for each port.
lssystemstats - Displays the most recent values or a history of canister statistics.
lstimezones - Displays the time zones that are available on the system.
lsupdate - Displays information about system, enclosure, and drive update.
lsuser - Displays the users created on the system.
lsusergrp - Displays the user groups created on the system.
lsvdisk - Displays the volumes on the system.
lsvdiskaccess - Displays which IO groups volumes are accessible through.
lsvdiskcopy - Displays volume copy information.
lsvdiskdependentmaps - Displays FlashCopy mappings with target volumes dependent upon data held on a specified volume.
lsvdiskextent - Displays the managed disk extents that are provided for volumes.
lsvdiskfcmapcopies - Displays all mappings with a target volume containing a valid copy of a volume.
lsvdiskfcmappings - Displays the FlashCopy mappings to which a volume belongs.
lsvdiskhostmap - Displays volume to host mappings.
lsvdisklba - Displays the volume and logical block address (LBA) for a managed disk LBA.
lsvdiskmember - Displays the managed disks that are members of a volume.
lsvdiskprogress - Displays the progress during new volume formatting.
lsvdisksyncprogress - Displays the progress of volume copy synchronization.
migrateexts - Migrates extents from one managed disk to another.
migratevdisk - Migrates an entire volume from one storage pool to another.
mkarray - Creates a managed disk array and adds it to a storage pool.
mkemailserver - Creates an email server.
mkemailuser - Adds an email recipient of event and inventory notifications.
mkfcconsistgrp - Creates a new FlashCopy consistency group.
mkfcmap - Creates a new FlashCopy mapping.
mkfcpartnership - mkfcpartnership
mkhost - Creates a logical host object.
mkippartnership - mkippartnership
mkldapserver - Creates a Lightweight Directory Access Protocol (LDAP) server.
mkmdiskgrp - Creates a storage pool.
mkmetadatavdisk - Creates one metadata volume from the storage pool.
mkpartnership - Creates a one-way Metro Mirror or Global Mirror partnership between the local and remote system.
mkrcconsistgrp - Creates a Metro Mirror or Global Mirror consistency group.
mkrcrelationship - Creates a new Metro Mirror or Global Mirror relationship.
mksnmpserver - Creates an SNMP server to receive notifications.
mksyslogserver - Creates a syslog server to receive notifications.
mkuser - Creates a local or a remote user to access a system.
mkusergrp - Creates a user group.
mkvdisk - Creates a sequential, striped, or image mode volume.
mkvdiskhostmap - Creates a mapping between a volume and a host.
movevdisk - Changes the caching I/O group of a Volume.
ping - Diagnoses IP configuration.
preplivedump - Reserves system resources required for a livedump.
prestartfcconsistgrp - Prepares a FlashCopy consistency group for starting.
prestartfcmap - Prepares a FlashCopy mapping for starting.
recoverarray - Recovers a corrupt array.
recoverarraybysystem - Recovers a corrupt array.
recovervdisk - Acknowledges volume data loss and brings the volume back online.
recovervdiskbyiogrp - Acknowledges data loss for all volumes in the specified I/O group and brings the volumes back online.
recovervdiskbysystem - Acknowledges data loss for all volumes in the system and brings the volumes back online.
repairsevdiskcopy - Repairs the metadata on a space-efficient volume.
repairvdiskcopy - Detects and corrects any volume copies that are not identical.
resetleds - Simultaneously switches off all LEDs in the system.
rmarray - Removes a managed disk array from the configuration.
rmemailserver - Deletes an email server.
rmemailuser - Remove an email recipient from your system.
rmfcconsistgrp - Deletes a FlashCopy consistency group.
rmfcmap - Deletes an existing FlashCopy mapping.
rmhost - Deletes a host object.
rmhostiogrp - Deletes mappings between I/O groups and a host object.
rmhostport - Deletes worldwide port names (WWPNs) or iSCSI names from a host object.
rmldapserver - Deletes a Lightweight Directory Access Protocol (LDAP) server.
rmmdisk - Deletes a managed disk from a storage pool.
rmmdiskgrp - Deletes a storage pool.
rmmetadatavdisk - Removes the metadata volume from the storage pool.
rmnodecanister - Deletes a node canister from the system.
rmpartnership - Removes a Metro Mirror or Global Mirror partnership on one system.
rmportip - Removes an iSCSI IP address from a node canister ethernet port.
rmportip_tms - Removes properties of an IP port.
rmrcconsistgrp - Deletes a Metro Mirror or Global Mirror consistency group.
rmrcrelationship - Deletes a Metro Mirror or Global Mirror relationship.
rmsnmpserver - Delete an SNMP server.
rmsyslogserver - Deletes a syslog server.
rmuser - Deletes a user.
rmusergrp - Deletes a user group.
rmvdisk - Deletes a volume.
rmvdiskaccess - Deletes from the set of I/O groups in which a Volume can be made accessible to hosts.
rmvdiskcopy - Removes a volume copy.
rmvdiskhostmap - Deletes a volume-to-host mapping.
sainfo - Displays service action views.
satask - Performs service action tasks.
sendinventoryemail - Sends an inventory email to all recipients enabled to receive inventory email notifications.
setdisktrace - Sets a list of disks of a given type to include in a disk trace.
setlocale - Changes the locale setting and command output to the chosen language.
setpwdreset - Views or changes the status of the password-reset feature.
setsystemtime - Sets the time for the system.
settimezone - Sets the time zone for the system.
settrace - Sets options for tracing I/O operations.
showtimezone - Displays the current time zone settings for the system.
shrinkvdisksize - Reduces the size of a volume by the specified capacity.
splitvdiskcopy - Creates a separate volume from a synchronized copy of a mirrored volume.
startemail - Activates the email and inventory notification function.
startfcconsistgrp - Starts a FlashCopy consistency group.
startfcmap - Starts a FlashCopy mapping.
startrcconsistgrp - Starts the Metro Mirror or Global Mirror consistency group copy process.
startrcrelationship - Starts the Metro Mirror or Global Mirror relationship copy process.
startstats - Changes the interval at which per-node canister statistics are collected.
starttrace - Starts tracing I/O operations.
stopemail - Stops the email and inventory notification function.
stopfcconsistgrp - Stops all processing associated with a FlashCopy consistency group.
stopfcmap - Stops all processing associated with a FlashCopy mapping.
stoprcconsistgrp - Stops the copy process for a Metro Mirror or Global Mirror consistency group, or enables write access to the secondary volumes in the group.
stoprcrelationship - Stops the copy process for a Metro Mirror or Global Mirror stand-alone relationship, or enables write access to a consistent secondary volume.
stopsystem - Shuts down a single node canister or the entire system.
stoptrace - Stops tracing I/O operations for the specified disk type.
svc_livedump - Triggers a livedump of the system.
svc_snap - Collects log files used by support for troubleshooting.
svcconfig - Recovers, restores, or creates a backup of the system configuration.
switchrcconsistgrp - Reverses the roles of primary and secondary volumes in a Metro Mirror or Global Mirror consistency group.
switchrcrelationship - Reverses the roles of primary and secondary volumes in a stand-alone Metro Mirror or Global Mirror relationship.
testemail - Sends a test email notification to one user or to all users of the email notification function.
testldapserver - Tests a Lightweight Directory Access Protocol (LDAP) server.
triggerdrivedump - Collects support data from a disk drive.
triggerenclosuredump - Forces the specified enclosure or enclosures to dump data.
triggerlivedump - Captures a livedump to the internal disk on the node canister.
IBM_Storwize:storage:cliadmin>
IBM_Storwize:storage:superuser>sainfo lsservicenodes
panel_name cluster_id cluster_name node_id node_name relation node_status error_data
01-1 000000C020437DBE storage 2 node2 local Active
01-2 000000C020437DBE storage 1 node1 partner Active
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