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AIX
add SSA pdisk to array to become hdisk
Post 302483877 by kwliew999 on Tuesday 28th of December 2010 09:12:39 PM
12-28-2010
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Hi
Can I add disks on the fly to extend the capacity of an existing RAID 5 volume?
It's created on a 4P Advanced SSA Raid Adapter.
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We updated form AIX 4.3.3 to AIX 5.1-7 and after this we spent more than double time in read from external disks. Aparently the ssa cards microcode is at last level and all the ptf and apars are instaled.
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5. AIX
Hi ,
I was migrating an AIX 5.2 system to AIX 5.3.
I have hdisk8 and hdisk2 mirrored under rootvg.
Below is the lscfg -vp output for the disks.
hdisk8 U0.1-P1-I1/Q1-W40AABDDCC800D SSA Logical Disk Drive
hdisk2 U0.1-P1-I1/Q1-W90D6151DEE00D SSA Logical Disk Drive
I... (1 Reply)
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Hi,
Do you have procedures to migrate ssa disks to san disk?
I don't have testing environment and I want my file system be migrated one at a time. I want it to be fast, I have only 15-20 hours to do it on every sunday 1PM till monday 7am. My largest file system is about 150G.
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Hi guys,
I'd like to share my migration/mirroring of ssa to san. No downtime for users, probably I/O performance.
here's the step:
1 After the lun had been carved on the SAN and the connections had been done on AIX fiber card
2 “lspv” and look for the new SAN hdisk? on the bottom, say... (1 Reply)
Discussion started by: itik
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8. AIX
Hi All,
What's the proper procedure for removing SSA arrays? Is the procedure like these?
- rmdev ssa disk
- physical turn off the ssa
- cfgmgr
There's no more filesystem or logical volume on it. It's just pdisk and hdisk.
Thanks in advance,
itik (3 Replies)
Discussion started by: itik
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9. AIX
When I list the PV's using lspv i see both vpath and hdisk names being listed. I got the info that each vpath is configured for 4 hdisks. Problem is I am not able to add either the hard disks in vpath to the existing non-rootvg. ? need to know the basics of vpath .. (4 Replies)
Discussion started by: nivaspIND
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10. AIX
OSLevel: 5300-10-02-0943
System Model: IBM,8203-E4A
Power 6
==
Hi!
I replaced a failed pdisk in the raid enclosure as follows,
- rmdev -l 'pdisk18' '-d'
- Replaced it.
- cfgmgr (detected)
- I can see the new drive, with the correct serial #
lscfg -v -l pdisk18
pdisk18... (2 Replies)
Discussion started by: estrar
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LEARN ABOUT HPUX
vxbootsetup
vxbootsetup(1M) vxbootsetup(1M) NAME
vxbootsetup - set up system boot information on a Veritas Volume Manager disk SYNOPSIS
/etc/vx/bin/vxbootsetup [-g diskgroup] [medianame ... ] DESCRIPTION
The vxbootsetup utility configures physical disks so that they can be used to boot the system. Before vxbootsetup is called to configure a disk, the required volumes, standvol, rootvol and swapvol (and optionally, dumpvol) must be created on the disk. All of these volumes must be contiguous with only one subdisk. The -g option may be used to specify the boot disk group. If no medianame arguments are specified, all disks that contain usable mirrors of the root, swap, /usr and /var volumes are configured to be bootable. If medianame arguments are given, only the disks that are associated with the specified disk names are configured to be bootable. vxbootsetup requires that: o The root volume must be named rootvol and must have a usage type of root. o The swap volume must be named swapvol and must have a usage type of swap. o The volumes containing /usr and /var (if any) must be named usr and var, respectively. See the chapter "Recovery from Boot Disk Failure" in the Veritas Volume Manager Troubleshooting Guide for detailed information on how the system boots and how VxVM impacts the system boot process. The vxmirror, vxrootmir, and vxresize utilities call vxbootsetup automatically. If you use vxassist, or vxmake and vxplex to create mirrors of the root volume on a disk, you must run vxbootsetup explicitly to make the disk bootable. ARGUMENTS
medianame Specifies the disk name (disk media name) of a VM disk that is to be configured as bootable. SEE ALSO
disksetup(1M), edvtoc(1M), vxassist(1M), vxevac(1M), vxinstall(1M), vxintro(1M), vxmake(1M), vxmirror(1M), vxplex(1M), vxresize(1M), vxrootmir(1M) Veritas Volume Manager Troubleshooting Guide VxVM 5.0.31.1 24 Mar 2008 vxbootsetup(1M)