tag:blogger.com,1999:blog-5391325129965939458.post3028448610653991591..comments2024-03-18T01:53:00.753+01:00Comments on AIX for System Administrators: PVaixhttp://www.blogger.com/profile/11198511213080760662noreply@blogger.comBlogger21125tag:blogger.com,1999:blog-5391325129965939458.post-83638437657853162102021-05-06T15:20:39.974+02:002021-05-06T15:20:39.974+02:00Hi, if you check the disk with lsattr, those param...Hi, if you check the disk with lsattr, those parameters where you see "True+" can be changed online, without reboot etc.aixhttps://www.blogger.com/profile/11198511213080760662noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-45788102094905517512021-05-04T12:35:25.277+02:002021-05-04T12:35:25.277+02:00after adding disks to the VG can we change disk at...after adding disks to the VG can we change disk attribute like queue depth value and Algorithm for the disks ?<br />will it reflect with out doing reboot/varyoff vg ?<br />do we require to reboot the server ?santhosh455https://www.blogger.com/profile/01668654771577673922noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-84056338326325715422017-10-31T11:12:18.902+01:002017-10-31T11:12:18.902+01:00and how to find the the missing disk. if varyon vg...and how to find the the missing disk. if varyon vg command will not find the missing diskAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-37301332257753885792017-10-31T11:10:13.096+01:002017-10-31T11:10:13.096+01:00Hi,
what could be the cause if a disk is missing f...Hi,<br />what could be the cause if a disk is missing from vg after reboot of serverAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-90835295522223158162017-08-17T15:23:25.278+02:002017-08-17T15:23:25.278+02:00Hi,
Could you please explain lsattr -El hdiskxx o...Hi,<br /><br />Could you please explain lsattr -El hdiskxx output<br />Rajanoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-60427291547960348122017-02-10T11:50:07.239+01:002017-02-10T11:50:07.239+01:00Hi.
I tried to execute this command on the cluster...Hi.<br />I tried to execute this command on the cluster's service node : 'extendvg hdiskX VG_X'<br />(hdiskX has PVID and VG_X is a concurrent VG. hdiskX was recognized by Service node and Stanby node)<br />But this comannd failed.<br /><br />I noticed that on the standby node hdiskX don't have PVID(in the result of 'lspv' command).<br />After executing 'chvg -l hdiskX -a pv=yes' , I tried 'extendvg hdiskX VG_X' on the service node again and it succeeded.<br /><br />Why 'extendvg hdiskX VG_X' faild at first and succeeded in the end?Jerryhttps://www.blogger.com/profile/05320693949490197573noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-8011178766889524222016-04-04T09:16:31.475+02:002016-04-04T09:16:31.475+02:00how can we extract data from a pv?
how can we extract data from a pv?<br />Anonymoushttps://www.blogger.com/profile/06470302667034429783noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-20027221102527844302015-08-01T18:27:27.080+02:002015-08-01T18:27:27.080+02:00reducevg vgname reducevg vgname Anonymoushttps://www.blogger.com/profile/08668920983697689081noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-47450307207932153972015-07-22T18:11:30.728+02:002015-07-22T18:11:30.728+02:00Hi,
1) why the vgda count of 2pvs in a vg is 3 not...Hi,<br />1) why the vgda count of 2pvs in a vg is 3 not 2 if quorum value is not satisfied how it is not satisfied<br />2) when vg is on and quorum value fall less than 51% vg will off automatically then after how to vary on vg<br />3) why stale partitions are created while mirroring an lvAnonymoushttps://www.blogger.com/profile/12280708363204550766noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-18382786894673127352015-07-22T18:10:14.980+02:002015-07-22T18:10:14.980+02:00This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/12280708363204550766noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-71841668332110731952015-03-12T16:52:39.958+01:002015-03-12T16:52:39.958+01:00How to remove the volume groups and the logical vo...How to remove the volume groups and the logical volumes?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-70205599761405429012014-12-17T07:07:58.208+01:002014-12-17T07:07:58.208+01:00bootinfo -s hdisk0bootinfo -s hdisk0Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-70332542365833315492014-02-11T08:27:02.981+01:002014-02-11T08:27:02.981+01:00In order to refresh the PVID, I ran "chdev -l...In order to refresh the PVID, I ran "chdev -l hdiskpowerxx -a pv=yes" in a VIO with powerpath over a hdiskpower assigned to a LPAR. The LPAR froze and the disk assignment got lost. I had to reboot the VIO to recover production.idaho06https://www.blogger.com/profile/11877092279258869560noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-89142580257323326252013-10-14T09:40:59.035+02:002013-10-14T09:40:59.035+02:00Hi, in addition to "lsdev -Pc disk" I wo...Hi, in addition to "lsdev -Pc disk" I would also use "lsdev -Cc disk" to list all devices of class "disk". The "lsdev -Pc disk" command only shows available disk device drivers and not the actual disk names that you will use to change into PVs ( "chdev -l hdisk7 -a pv=yes" ). I'm a correct?Anonymoushttps://www.blogger.com/profile/17671543361980611824noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-52899550551226603152013-10-09T08:48:13.486+02:002013-10-09T08:48:13.486+02:00how can i display the space utilization of PV (us...how can i display the space utilization of PV (used & free) without multiplication pp size and pp numbermmjaboorhttps://www.blogger.com/profile/11701150089422598463noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-88071834510456841982013-08-09T00:07:35.854+02:002013-08-09T00:07:35.854+02:00Maybe just for completion there is also getconf as...Maybe just for completion there is also getconf as in:<br /><br /> getconf DISK_SIZE<br /><br />just in case you think there aren't enough options available :-)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-64637334285722507582013-07-29T15:09:26.408+02:002013-07-29T15:09:26.408+02:00hi
thanks for nice post
i ran the command mkdev -c...hi<br />thanks for nice post<br />i ran the command mkdev -c disk -t 1200mb -s scsi -p scsi0 -w 6,0 -d and mkdev -l hdiskX -p dummy -c disk -t hdisk -w 0000 on aix71 but none of them worked!is it a trick or something for that?<br />thanksAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-4733749355838223122013-04-21T12:35:26.356+02:002013-04-21T12:35:26.356+02:00Hi, usually you get that type of LUN ID, depending...Hi, usually you get that type of LUN ID, depending from you storage driver, with a storage specific command. For example on EMC disks, powermt display dev=all will show that necessary ID.aixhttps://www.blogger.com/profile/11198511213080760662noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-13118104203609392212013-04-21T06:51:28.581+02:002013-04-21T06:51:28.581+02:00Hi,
Thanks, In the same, which ID is used to repr...Hi,<br /><br />Thanks, In the same, which ID is used to represent SAN LUN.<br /><br />Regards,<br />SivaSivanoreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-79281830381830190642013-04-20T22:17:40.797+02:002013-04-20T22:17:40.797+02:00Hi,
LUN ID: It will be used together with the SCSI...Hi,<br />LUN ID: It will be used together with the SCSI ID when sending and receiving SCSI commands. <br />Unique Device Identifier: This is a combination of product ID, manufacturer ID and serial number.<br />aixhttps://www.blogger.com/profile/11198511213080760662noreply@blogger.comtag:blogger.com,1999:blog-5391325129965939458.post-67301889937245800632013-04-20T20:33:15.929+02:002013-04-20T20:33:15.929+02:00Hi,
What is the difference between lun_id and unq...Hi,<br /><br />What is the difference between lun_id and unqiue_id in the $lsattr -El hdiskxx output<br /><br />Regards,<br />SivaSivanoreply@blogger.com