01-08-2013
Thanks all! Really appreciate it! This does help! Yup I would be looking for a single CEC of a 570 if at all or if I can get the same functionality for less $ with a 520 or 550 then would prefer those. (However, at this time the single CEC's of 570's come priced cheaper and so teh original question...) For PowerVM looks like I'll need at least the Standard VET to create VIO's (I recall reading the Enterprise VET will allow for LPM but I don't need that in the foreseeable future). With the Standard I can create two VIO's which is something I would want to do. Most of the hardware out there that I see comes with a POD and a VET for those listed as APV.
> Secondly, if you are running virtualisation, are you happy to run a single VIO with IVM or do you also need to factor in an HMC. With the 570 you must use an HMC! The IVM isn't an option.
I'd be looking to get an HMC shortly after if not together. I'm thinking then even for a single CEC of a 570 I'd still need the HMC?
> If you have an HMC and a server and want to run dual VIO Servers then you need a split backplane in you server, with disks attached to both backplanes.
Yes, if I have a Standard VET then would want to run two VIO's. Thanks very much for that! When you say I need disks attached to both backplanes I'm thinking 2 disks per backplane then (4 total)? (Not sure if I'm making sense.)
Read somewhere that an MOD (CUoD Memory Activation Code) might not make much sense on the 520's and 550's but I'm not 100% sure here on this. If I don't have the MOD on any of the three types, 520, 550, 570, what features would I be missing? I'm thinking I'll need all three codes but I'm not 100% sure if paying for an MOD would make any significant difference in functionality.
> 200-240 volt AC
This would be a problem. I'll have to do a bit more digging on exactly what I would need to check if my HH would allow for this.
Up to a 4-way machine would be fine so any 3 of those would do. Please let me know on the above and thanks very much again!
Thanks, DH
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vxpfto(1M) vxpfto(1M)
NAME
vxpfto - set Powerfail Timeout (pfto)
SYNOPSIS
vxpfto -g diskgroup -t timeout
vxpfto [-g diskgroup] -t timeout volume_list
vxpfto [-g diskgroup] -o pftostate={enabled|disabled}
vxpfto [-g diskgroup] -o pftostate={enabled|disabled} volume_list
DESCRIPTION
Powerfail Timeout is an attribute of a SCSI disk connected to an HP-UX host (see the pfto(7) man page). The vxpfto command sets the Power-
fail Timeout interval on a set of Volume Manager disks, either all disks in a disk group, or all disks underlying the volumes listed.
The first form of the command sets the same PFTO value for all the disks in the specified VxVM diskgroup.
In the second form, all disks underlying the given list of volumes are selected, optionally restricted by the disk group specified with the
-g option. If you specify a diskgroup, any volume in the list not belonging to the diskgroup is ignored.
Use the -o pftostate option to disable or enable PFTO. By default, PFTO is enabled. You can enable PFTO either on all disks in a disk
group, or on all disks underlying the volumes listed.
If you invoke vxpfto without arguments, it displays a usage message.
OPTIONS
-g diskgroup
Specifies the disk group for the operation, either by disk group ID or by disk group name.
-o pftostate={enabled|disabled}
Enables or disables the use of PFTO for IO.
-t timeout
Specifies the PFTO value in seconds. The value must be zero or a positive integer. Zero represents the system default PFTO
value. The default value depends on the disk driver controlling the disk device.
volume_list
A list of VxVM volume names. List items must be separated by white-space.
EXIT CODES
vxpfto returns a zero if successful. If it encounters an error, vxpfto exits and displays a message on standard error. Defined exit codes
are:
0 Success.
1 No PFTO value specified.
2 No diskgroup or volume list specified.
3 Illegal PFTO value specified.
EXAMPLES
Set the PFTO value on all disks in disk group testdg to 100 seconds:
vxpfto -t 100 -g testdg
Set the PFTO value to 50 seconds on all disks underlying volume01 and volume02 in disk group testdg:
vxpfto -t 50 -g testdg volume01 volume02
Set the PFTO value to 300 seconds on all disks underlying volume01 and volume02, even though they are not in the same disk group:
vxpfto -t 300 volume01 volume02
Disable PFTO on all disks in disk group testdg:
vxpfto -g testdg -o pftostate=disabled
Enable PFTO on all disks underlying volume01 and volume02i in disk group testdg:
vxpfto -g testdg -o pftostate=enabled volume01 volume02
SEE ALSO
vxdisk(1M), pfto(7)
VxVM 5.0.31.1 24 Mar 2008 vxpfto(1M)