Having a sort out and found this course handout originally written by John Furlong - Sun Trainer in 23/10/2002 (Free to distribute).
Reminder of days gone by, DiskSuite 1.1 on SunOS 4.1 to Solaris Volume Manager Solaris 10, these were day-to-day commands for me.
State Database Operations. |
|
Operation |
Command Example. |
|
|
Create first database replica |
metadb –a –f c0t0d0s7 |
Create additional replicas (2 copies in single partition) |
metadb –a –c2 c1t1d0s7 |
Create the database as defined in the mddb99 entry in md.tab. |
metadb –a mddb99 |
Delete replicas. |
metadb –d c1t0d0s7 |
Check status of databases. |
metadb |
Simple Metadevice Operations. |
||
Operation |
Command Example. |
|
|
||
Create metadevice with a single partition. |
metainit d22 1 1 c1t5d0s3 |
|
Create metadevice, concat over 2 partitions. |
metainit d22 2 1 c1t5d0s5 1 c1t6d0s4 |
|
Create metadevice, striped across 2 partitions. |
metainit d22 1 2 c1t5d0s4 c2t5d0s4 |
|
Create metadevice striped across 2 partitions with a chunk size of 64K |
metainit d22 1 2 c1t5d0s4 c2t5d0s4 -i 64K |
|
Create all metadevices in md.tab |
metainit –a |
|
Create a raid5 metadevice over 3 partitions. |
metainit d50 –r c1t0d0s3 c2t0d0s3 3t0d0s3 |
|
Delete metadevices. |
metaclear d50 (Single), metaclear –a (ALL) |
|
Check status of metadevices. |
metastat |
|
Create a metatrans device. |
metainit d50 –t c1t5d0s5(Master) c1t2d0s1(Log) |
|
Growing Metadevices. |
|
Operation |
Command Example. |
|
|
Attach single partition to metadevice. |
metattach d45 c1t5d0s4 |
Attach a 2 partition stripe to metadevice. |
metattach d45 c1t4d0s5 c2d4d0s5 |
Grow file system on resized metadevice. |
growfs –M /mnt /dev/md/rdsk/d45 |
Hotspare Operations.Note:- xxx is either the hot spare pool (hsp001) or all for all hot spare pools. |
|
Operation |
Command Example. |
|
|
Create a hot spare pool. |
metahs –a hsp001 c1t5d0s4 |
Add partition to hot spare pool. |
metahs –a xxx c2t5d0s4 |
Delete partition from hot spare pool. |
metahs –d xxx c2t5d0s4 |
Replace failed partition in hot spare pool. |
metahs –r xxx c1t5d0s3 (Old) c1t6d0s3(new) |
Enable partition. |
metahs –e c1t5d0s4 |
Attach hot spare pool to sub-mirror. |
metaparam –h hsp000 d55 |
Remove hot spare pool from sub-mirror. |
metaparam –h none d55 |
Check status of hot spare pool. |
metahs –i |
Soft Partition Operations. |
|
Operation |
Command Example. |
|
|
Partition disk & create 1Gb soft partition. |
metainit d50 –p –e c1t5d0 1g |
Create 2Gbyte soft-partition from disk partition. |
metainit d50 –p c1t0d0s0 2g |
Create 2Gbyte soft partition from metadevice. |
metainit d50 –p d10 2g |
Grow soft partition by 5GByte. |
metattach d50 5g |
List soft partitions & free space disk partition. |
metarecover –v –n c1t0d0s0 -p |
Recover soft partitions from database info. |
metarecover c1t0d0s0 –p -m |
Recover soft partitions from disk info. |
metarecover c1t0d0s0 –p -d |
Delete all soft-partitions on slice. |
metaclear –p c1t0d0s4 |
Mirror Operations. |
|
Operation |
Command Example. |
|
|
Create a mirror with 1 sub-mirror. (d20 is the mirror, d21 is the sub-mirror.) |
metainit d21 1 1 c1t0d0s3 metainit d20 –m d21 |
Create and attach 2nd. sub-mirror. (d20 is the mirror, d22 the attached sub-mirror.) |
metainit d22 1 1 c1t1d0s3 metattach d20 d22 |
Create mirror with 2 sub-mirrors. (d20 is the mirror.) (d21 and d22 are the sub-mirrors.) |
metainit d21 1 1 c1t5d0s5 metainit d22 1 1 c1t6d0s0 metainit d20 –m d21 d22 |
Detach sub-mirror from mirror. (d20 is the mirror, d21 the sub-mirror) |
metadetach d20 d21 |
Attach sub-mirror to mirror.(Causes full sync) |
metattach d20 d21 |
Offline a sub-mirror.(remains part of mirror) |
metaoffline d20 d21 |
On-line a sub-mirror. (Causes partial sync) |
metaonline d20 d21 |
Delete a mirror and all its’ sub-mirrors. |
metaclear –r d20 |
Change read policy of mirror.
|
metaparam –r roundrobin d20 metaparam –r geometric d20 metaparam –r first d20 |
Change write policy of mirror. |
metaparam –w parallel d20 metaparam –w serial d20 |
Change pass number of resync at boot time. 0=skip, 1=first, 9=last. |
metaparam –p 2 d20 |
Disk and Partition Replacement Operations. |
|
Operation |
Command Example. |
|
|
Copy partition table from existing disk to new disk. prtvtoc /dev/rdsk/c1t0d0s2 (existing) | fmthard –s - /dev/rdsk/c1t2d0s2 (new) |
|
Enable a partition that has been replaced. |
metareplace –e d50 (Mirror) c4t5d0s4 |
Replace failed partition with another. |
metareplace d50 c1t5d0s4(old) c1t6d0s4(New) |
Metaset Operations. |
|
Operation |
Command Example. |
|
|
Create metaset with 1 host. |
metaset –s MySet –a –h grommit |
Add host to set. |
metaset –s MySet –a –h wallace |
Delete host from set. |
metaset –s MySet –d –h wallace |
Add disks to set. |
metaset –s MySet –a c1t5d0 c1t6d0 |
Delete disks from set. |
metaset –s MySet –d c1t6d0 |
Release ownership of set. |
metaset –s Myset –r |
Take ownership of set. |
metaset –s MySet –t |
Force takeover of ownership of set. |
metaset –s MySet –t –f |
After metaset creation normal commands can be used by selecting the set to work with. e.g., metainit –s MySet d44 1 1 c5t4d0s6 |
|
Graphical Interface Operation. |
metatool [-s SetA ] |
/etc/opt/SUNWmd/md.tab (Up to version 4.2), /etc/lvm/md.tab (From version 4.2.1)
Soft partitions are available in Solaris 9 or 4.2.1 with patch 108693-xx
