IBM Elastic Storage System 3000, Service Manual

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ess3k_mySN e1s18 DA1 2 3576 GiB 1600 GiB 3.84TB NVMe G3 ok
ess3k_mySN e1s19 DA1 2 3576 GiB 2892 GiB 3.84TB NVMe G3 ok
ess3k_mySN e1s20 DA1 2 3576 GiB 2900 GiB 3.84TB NVMe G3 ok
ess3k_mySN e1s21 DA1 2 3576 GiB 2892 GiB 3.84TB NVMe G3 ok
ess3k_mySN e1s22 DA1 2 3576 GiB 2902 GiB 3.84TB NVMe G3 ok
ess3k_mySN e1s23 DA1 2 3576 GiB 2900 GiB 3.84TB NVMe G3 ok
ess3k_mySN e1s24 DA1 2 3576 GiB 2894 GiB 3.84TB NVMe G3 ok
# mmvdisk recoverygroup list -–recovery-group this ESS 3000 recovery group --declustered-
array
Example
[ess3ka ~]# mmvdisk rg list --rg ess3k_mySN --declustered-array
declustered needs vdisks pdisks replace capacity
array service type user log total spare threshold total raw free raw background task
----------- ------- ---- ---- --- ----- ----- --------- --------- -------- ---------------
DA1 no NVMe 4 5 24 2 2 76 TiB 45 TiB rebalance (18%)
mmvdisk: Total capacity is the raw space before any vdisk set definitions.
mmvdisk: Free capacity is what remains for additional vdisk set definitions.
[ess3ka ~]#
12. Allocate the new space by using the mmvdisk command set.
An example of adding the new storage to an existing file system is as follows:
a. Define a vdisk set that is tied to the existing recovery group.
[ess3ka ~]# mmvdisk vdiskset define --vdisk-set vs_ess3k_1 --recovery-group ess3k_mySN --code 8+2p
--block-size 4m --set-size 40%
mmvdisk: Vdisk set 'vs_ess3k_1' has been defined.
mmvdisk: Recovery group 'ess3k_mySN' has been defined in vdisk set 'vs_ess3k_1'.
member vdisks
vdisk set count size raw size created file system and attributes
-------------- ----- -------- -------- ------- --------------------------
vs_ess3k_1 4 6152 GiB 7820 GiB no -, DA1, 8+2p, 4 MiB, dataAndMetadata, system
declustered capacity all vdisk sets defined
recovery group array type total raw free raw free% in the declustered array
-------------- ----------- ---- --------- -------- ----- ------------------------
ess3k_mySN DA1 NVMe 76 TiB 15 TiB 20% vs_ess3k, vs_ess3k_1
vdisk set map memory per server
node class available required required per vdisk set
---------------------------- --------- -------- ----------------------
ess_x86_64_mmvdisk_5_mySN 102 GiB 7080 MiB vs_ess3k (1074 MiB), vs_ess3k_1 (1077 MiB)
[ess3ka ~]#
b. Create the newly defined vdisk set.
[ess3ka ~]# mmvdisk vdiskset create --vdisk-set vs_ess3k_1
mmvdisk: 4 vdisks and 4 NSDs will be created in vdisk set 'vs_ess3k_1'.
mmvdisk: (mmcrvdisk) [I] Processing vdisk RG002LG001VS003
mmvdisk: (mmcrvdisk) [I] Processing vdisk RG002LG002VS003
mmvdisk: (mmcrvdisk) [I] Processing vdisk RG002LG003VS003
mmvdisk: (mmcrvdisk) [I] Processing vdisk RG002LG004VS003
mmvdisk: Created all vdisks in vdisk set 'vs_ess3k_1'.
mmvdisk: (mmcrnsd) Processing disk RG002LG001VS003
mmvdisk: (mmcrnsd) Processing disk RG002LG002VS003
mmvdisk: (mmcrnsd) Processing disk RG002LG003VS003
mmvdisk: (mmcrnsd) Processing disk RG002LG004VS003
mmvdisk: Created all NSDs in vdisk set 'vs_ess3k_1'.
[ess3ka ~]#
c. Add the new vdisk set to the existing file system.
[ess3ka ~]# mmvdisk filesystem add --file-system ess3k --vdisk-set vs_ess3k_1
mmvdisk: The following disks of ess3k will be formatted on node ess3k3a.example.net:
mmvdisk: RG002LG001VS003: size 6299740 MB
mmvdisk: RG002LG002VS003: size 6299740 MB
mmvdisk: RG002LG003VS003: size 6299740 MB
mmvdisk: RG002LG004VS003: size 6299740 MB
mmvdisk: Extending Allocation Map
mmvdisk: Checking Allocation Map for storage pool system
Chapter 2. Servicing 43