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| 15:53.47 | mgeary | can anyone tell me what needs to be done in Ubuntu when the hard drive is increased in VMware? in order to claim the additional space? |
| 15:55.20 | DexterTheDragon | if it's an ext device you can just use resize2fs |
| 15:55.35 | DexterTheDragon | if it's an LVM you'll need to use lvextend first |
| 15:55.51 | mgeary | i don't know how to determine your conditional |
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| 15:56.13 | mgeary | wanna point me to a link with details? or want to hold my hand? :) |
| 15:57.17 | herlo | mgeary: um, it depends on how the disk is formatted |
| 15:57.40 | mgeary | k, so how do i determine that? i'm not a sysadmin. I just play one on tv |
| 15:57.49 | herlo | mgeary: you can check for lvm by typing lvdisplay and looking for a matching mount point maybe |
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| 15:58.11 | mgeary | ok, that seems to do something |
| 15:58.20 | herlo | if not logical volumes appear (also, lvs might help, shorter view) |
| 15:58.23 | mgeary | i see a LV name /dev/STO-WS01/root |
| 15:58.25 | DexterTheDragon | run `mount` and tell us the line for the disk |
| 15:58.32 | mgeary | that is currently wanting to be resized |
| 15:58.43 | herlo | mgeary: right, is it mounted? |
| 15:58.59 | herlo | it can be resized up without unmounting if necessary. |
| 15:59.03 | mgeary | DexterTheDragon: /dev/mapper/STO--WS01-root on / type ext4 (rw,errors=remount-ro) |
| 15:59.07 | herlo | but don't every reduce the size... |
| 15:59.09 | mgeary | that would be preferable |
| 15:59.17 | herlo | without unmounting it... |
| 15:59.17 | mgeary | no, i want to about double it |
| 15:59.31 | DexterTheDragon | http://www.tldp.org/HOWTO/LVM-HOWTO/extendlv.html |
| 15:59.32 | mgeary | it's currently 250, and they've now allocated 500GB in the VMware |
| 15:59.33 | herlo | mgeary: so google resizing lvm and ext4 |
| 15:59.46 | mgeary | roger that |
| 15:59.50 | herlo | the link DexterTheDragon provides is only half of the problem |
| 15:59.55 | herlo | but it'll help for sure. |
| 16:00.07 | herlo | you'll need ot use both of the tools DexterTheDragon mentioned initially. |
| 16:00.18 | herlo | have fun! |
| 16:00.37 | DexterTheDragon | herlo: that link says how to lvextend, then how to resize ext/reiser/xfs/jfs |
| 16:00.55 | herlo | DexterTheDragon: from the link it's not clear. :) |
| 16:02.06 | mgeary | DexterTheDragon: "Insufficient free space: 51200 extents needed, but only 0 available" |
| 16:02.16 | mgeary | after running: lvextend -L+200G /dev/mapper/STO--WS01-root |
| 16:02.56 | herlo | mgeary: that means you'll need to add another disk to the lv |
| 16:03.11 | herlo | does the system have more disk partitions or devices available? |
| 16:03.36 | mgeary | umm... |
| 16:03.43 | herlo | fdisk -l can tell you |
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| 16:03.59 | DexterTheDragon | right, he said he increased the VM disk size, so does he need to grow the PV or the VG? |
| 16:04.11 | mgeary | herlo: http://pastebin.com/qd4AsaHv |
| 16:06.19 | herlo | mgeary: sounds weird, but do fdisk -c -l /dev/sda |
| 16:06.26 | herlo | and paste the output again. |
| 16:06.50 | herlo | your counts don't match in that last view. stupid fdisk for changing it's views |
| 16:07.14 | mgeary | herlo: http://pastebin.com/ja3bGjS3 |
| 16:07.28 | herlo | yeah, okay. |
| 16:07.31 | herlo | no difference |
| 16:07.51 | herlo | if you look at the number of cylinders total, you can see that you have 32635 |
| 16:08.09 | herlo | and /dev/sda5 uses from cylinder 32 to 32636 |
| 16:08.26 | herlo | which is technically one past, but that's just a silly LVM thing. |
| 16:08.38 | herlo | so you have no disk space left on that disk |
| 16:08.49 | herlo | you'll have to add another disk |
| 16:09.26 | herlo | mgeary: can you do 'lvs' and pastebin it too? |
| 16:09.54 | herlo | mgeary: or rather 'vgs', sorry. |
| 16:10.09 | mgeary | http://pastebin.com/ukLPVmpd |
| 16:10.11 | mgeary | herlo: ^ |
| 16:10.32 | herlo | mgeary: okay and do 'lvs' too, I guess. |
| 16:10.35 | herlo | you have two LVs |
| 16:10.48 | DexterTheDragon | and maybe `pvs` just for fun :) |
| 16:10.51 | herlo | lol |
| 16:10.53 | herlo | nah |
| 16:13.58 | mgeary | http://pastebin.com/5CjwJmUj |
| 16:13.58 | mgeary | lvs ^ |
| 16:16.22 | herlo | mgeary: okay, you fail. |
| 16:16.31 | mgeary | i glory in my failure |
| 16:16.42 | herlo | lol |
| 16:16.53 | herlo | mgeary: getting a new disk into the system is your only choice |
| 16:17.02 | mgeary | schweet |
| 16:17.14 | mgeary | is that something i can do from the CLI, or does it need VMware support? |
| 16:17.19 | herlo | mgeary: however, I might suggest you not add to the same lv and instead buy a larger disk and move all of the data off the root partition. |
| 16:17.33 | mgeary | this is at a client's in-house data center |
| 16:17.37 | DexterTheDragon | wait wiat |
| 16:17.47 | DexterTheDragon | mgeary: how big did you make the disk in vmware? |
| 16:18.02 | herlo | DexterTheDragon: he made it 260G give or take. |
| 16:18.26 | herlo | so that makes it less of a problem. You just have to increase the disk on the vmware side. That or attach another vdisk |
| 16:18.50 | mgeary | DexterTheDragon: the sysadmin tells me he's resized it to 500GB, from 250 |
| 16:18.55 | herlo | not sure if the version of vmware you are using will require the vm to be rebooted. But linux can usually just automatically detect the change. |
| 16:19.04 | herlo | mgeary: ahh! |
| 16:19.14 | DexterTheDragon | herlo: doesn't he need to run: echo "- - -" > /sys/class/scsi_host/host0/scan |
| 16:19.18 | DexterTheDragon | to detect the change? |
| 16:19.29 | herlo | DexterTheDragon: well, that's the kernel way to do it. |
| 16:19.36 | herlo | I was thinking kpartx -a |
| 16:19.47 | DexterTheDragon | I have never heard of that |
| 16:19.58 | herlo | trying to remember the more common one. |
| 16:21.11 | DexterTheDragon | so if he can get it to detect the disk change, then he can run pvresize, vgextend, lvextend, and resize2fs |
| 16:21.14 | DexterTheDragon | linux is fun |
| 16:21.19 | herlo | partprobe |
| 16:21.30 | herlo | DexterTheDragon: right. |
| 16:21.55 | herlo | DexterTheDragon: but it might require a reboot. depends on his version of linux. I'm guessing it's new enough, though. |
| 16:22.13 | herlo | partprobe doesn't properly scan vm disks usually anymore, kpartx provides that utility now. |
| 16:22.14 | ponderability | pvscan? |
| 16:22.32 | herlo | ponderability: no, that will just tell you what we already know, the current disk has no available space |
| 16:22.53 | herlo | we have to get the linux system to recognize that there is more space first. |
| 16:24.55 | herlo | lol |
| 16:24.59 | herlo | mgeary: it's rather simple. |
| 16:25.02 | DexterTheDragon | it's simple, you just need 5 commands to do it |
| 16:25.10 | herlo | the stupid vm host makes it hard. |
| 16:38.26 | mgeary | so… any suggestions? |
| 16:38.46 | mgeary | the guy who controls the VMware is a Windows guy, doesn't have much *nix experience |
| 16:40.20 | herlo | mgeary: google? |
| 16:40.25 | mgeary | yeah, doing that |
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| 16:40.47 | herlo | maybe DexterTheDragon's suggestion would work too. |
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| 16:48.41 | DexterTheDragon | mgeary: yeah I would just tell the kernel to rescan the scsi host, make sure fdisk is showing 500GB, run `pvresize /dev/sda5`, then I think you can just run the lvextend command at that point |
| 16:49.46 | herlo | DexterTheDragon: seems like a sane plan |
| 16:51.44 | fungus | In my experience it's easier to add a new disk to your existing volume group, than to resize an existing one. It's slightly messier, but tons easier. |
| 16:53.04 | herlo | fungus: ?? |
| 16:53.31 | herlo | but the vmware ppl already resized the disk |
| 16:53.43 | herlo | fungus: are you just saying add another extended partition? |
| 16:53.49 | fungus | oh, the vmware ppl aren't the sysadmin too? |
| 16:54.01 | herlo | the sysadmin would be mgeary from what I can tell |
| 16:54.06 | herlo | the vmware ppl are windows admins |
| 16:54.21 | fungus | ah. bummer. I'm used to doing both jobs. |
| 16:54.29 | mgeary | i'm totally open to just adding another disk |
| 16:54.41 | fungus | I just add a new disk in vmware. then add it to the vg |
| 16:54.47 | herlo | fungus: so tell mgeary how you get a vm to recognize new disks? |
| 16:55.10 | herlo | fungus: would it not be the same as recognizing new space on an existing disk? |
| 16:55.18 | fungus | recognize new disks: either rescan-scsi-bus (if scsitools is installed) |
| 16:55.23 | fungus | herlo, no |
| 16:55.51 | fungus | getting linux to see a resized disk usually requires a reboot. Getting it to see a new disk is easy |
| 16:56.04 | herlo | fungus: huh... |
| 16:56.21 | herlo | I can do it with kpartx -a on any vm I use, but that isn't with vmware. |
| 16:56.43 | herlo | or kpartx -u would probably work too. |
| 16:56.45 | fungus | never tried that one before |
| 16:57.01 | herlo | kpartx - Create device maps from partition tables |
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| 16:57.15 | herlo | updates the partition tables and sets things up as necessary |
| 16:57.21 | fungus | I tried lots of other things though. Including partprobe, rescan-scsi-bus, etc |
| 16:57.37 | herlo | partprobe works on physical disks |
| 16:57.59 | herlo | but because these are virtual disks, partprobe couldn't see them |
| 16:58.14 | herlo | linux treats virtual disks as hot pluggable items, at least with libvirt |
| 16:58.19 | fungus | partprobe doesn't detect changes to disk sizes. |
| 16:58.21 | herlo | I use kvm. |
| 16:58.29 | herlo | fungus: it does on physical disk. |
| 16:58.46 | herlo | but when did you ever change a physical disk size. :) |
| 16:58.49 | fungus | How do you change the size of a physical disk? |
| 16:58.53 | fungus | lol |
| 16:58.59 | herlo | exactly |
| 16:59.13 | herlo | I think it's possible, but nobody does it. |
| 16:59.27 | herlo | just add a new spindle and platter, you're good to go. |
| 16:59.35 | fungus | lol |
| 16:59.42 | herlo | all while the disk is running. |
| 17:00.50 | fungus | I'm gonna try kpartx next time I need to resize a disk. can't wait. |
| 17:02.39 | herlo | cool. Let me know how it goes. |
| 17:04.23 | herlo | which would include tools like kpartx and how to use bits of find nobody knows about like -not and -user |
| 17:04.36 | herlo | or -amin |
| 17:08.10 | mgeary | (sorry. on a call) |
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| 17:12.11 | mgeary | ok |
| 17:12.14 | mgeary | i'm baaaaack |
| 17:12.44 | mgeary | i'm okay to reboot the machine |
| 17:12.50 | mgeary | should i just try that? |
| 17:13.25 | herlo | sure |
| 17:17.00 | mgeary | okay, back up. no additional size being "seen" |
| 17:17.23 | mgeary | but like i say, i'm fine just adding a new disk |
| 17:17.24 | herlo | mgeary: what does fdisk -l show? |
| 17:17.48 | herlo | you won't see it in the fs |
| 17:22.06 | mgeary | herlo: http://pastebin.com/uHEQTYXG |
| 17:22.12 | mgeary | looks like maybe it's seeing the 500GB now...? |
| 17:22.32 | herlo | mgeary: yup |
| 17:22.37 | herlo | mgeary: so you have two choices |
| 17:22.43 | herlo | my suggestion is creating a new partition |
| 17:22.54 | herlo | but you could 'extend' /dev/sda5 |
| 17:23.54 | mgeary | i'm game for whatever is simpler |
| 17:24.04 | mgeary | (and better/equivalent) |
| 17:24.07 | herlo | mgeary: right, both are simple |
| 17:24.28 | herlo | go google how to create a new partition. Once you have that, use DexterTheDragon's link about extending your lvm |
| 17:25.04 | herlo | s/create a new partition/add a new partition to an existing drive/ |
| 17:25.49 | herlo | mgeary: feel free to pastebin your fdisk -l again once you think you have it working. :) |
| 17:26.02 | herlo | the new partition, that is |
| 17:28.50 | mgeary | primary partition (1-4) -- do i input 1? or 2? |
| 17:31.01 | mgeary | 1 |
| 17:31.13 | herlo | mgeary: extended partition |
| 17:31.16 | mgeary | oh |
| 17:31.18 | mgeary | not primary? |
| 17:31.31 | herlo | primary will be all weird and skewed. |
| 17:31.33 | mgeary | ok |
| 17:31.35 | herlo | primary might work. |
| 17:31.42 | herlo | but I don't know off hand. |
| 17:31.49 | mgeary | but extended is okay? |
| 17:31.51 | mgeary | http://pastebin.com/Q3rtTX5E |
| 17:31.57 | herlo | extended is best |
| 17:32.16 | herlo | make it extended and partition 6 |
| 17:32.17 | mgeary | there's no chance that just creating a new partition is going to affect the existing partition, yes? |
| 17:32.31 | mgeary | i'm only given options 1-4 |
| 17:32.36 | herlo | wait, why is it doing that |
| 17:32.46 | herlo | oh, I know why... |
| 17:32.54 | herlo | silly me |
| 17:32.57 | herlo | so yeah, use primary |
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| 17:33.28 | herlo | the extended partition is only the size of the old stuff. You'd have to finagle a bunch to make this happen with fdisk. Other tools make it easier. |
| 17:35.35 | mgeary | ok, so this isn't going to touch my existing partition, right? just wanting to be careful, since there's lots of stuff here that would be very painful to recover |
| 17:38.45 | herlo | yeah, go ahead and show me what you did if you want. |
| 17:39.05 | herlo | if you are 'adding' a partition, you should be fine. |
| 17:39.29 | herlo | also, fdisk doesn't write anything to disk until you exit. If you hit ctrl+c it'll cancel your changes and exit too. |
| 17:39.33 | mgeary | http://pastebin.com/8vEGhBN1 |
| 17:39.38 | mgeary | yeah, |
| 17:39.45 | mgeary | i'm at the point where i need to (w)rite |
| 17:40.11 | herlo | nope, that's wrong |
| 17:40.53 | herlo | mgeary: you want to do fdisk /dev/sda |
| 17:41.01 | herlo | you are currently partitioning a partition. :) |
| 17:41.10 | mgeary | bah |
| 17:41.11 | mgeary | ok |
| 17:41.33 | herlo | and that's why it didn't ask you for extended I think |
| 17:41.38 | mgeary | ok |
| 17:41.45 | mgeary | now i'm being given the choice to create a logical partition |
| 17:41.46 | herlo | let's try that again... I bet it just does the right thing and won't even ask primary or extended. |
| 17:41.54 | herlo | right, exactly |
| 17:41.55 | mgeary | but when i chose that, it says, "no free sectors available" |
| 17:42.08 | herlo | show me fdisk -l /dev/sda again? |
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| 17:42.39 | mgeary | http://pastebin.com/sPJaJqRt |
| 17:43.28 | herlo | I see extra space. We may need to resize the extended partition. It could be easier to just add another disk. This gets hairy, fast. |
| 17:44.17 | herlo | Though you could use Palimpsest |
| 17:44.37 | herlo | depends on whether you have gui access |
| 17:44.40 | mgeary | nope |
| 17:44.42 | mgeary | just CLI |
| 17:45.04 | herlo | http://en.wikipedia.org/wiki/Palimpsest |
| 17:45.15 | herlo | okay, so new disk will be easier. |
| 17:45.22 | herlo | by far. |
| 17:45.35 | mgeary | so it's back to the VMware? |
| 17:45.36 | herlo | the admin could reclaim the space if they want. |
| 17:45.54 | herlo | like I said, it can be done, but it's hairy to rearrange everything. |
| 17:46.40 | mgeary | this new disk needs to be created in VMware? |
| 17:48.50 | herlo | yes |
| 17:48.56 | herlo | and attached to the vm |
| 17:49.55 | mgeary | ok. requested that |
| 17:59.00 | fungus | mgeary, the reboot was required for linux to see the new size of the disk. After that you resize the partition. Then resize the PV, LV, and FS |
| 17:59.52 | fungus | Adding a new disk, is similar: rescan-scsi-bus, partition, pvcreate, vgextend, lvextend, resize2fs |
| 18:00.41 | mgeary | i'm now being told that "shrinking a VM disk isn't really an option" |
| 18:01.00 | herlo | mgeary: yeah, it usually isn't |
| 18:01.13 | herlo | so just tell them to give you a new disk |
| 18:01.24 | mgeary | he doesn't want to waste the space he just allocated |
| 18:01.27 | herlo | unless they 'really want' that disk back |
| 18:01.43 | fungus | then just use what you have. you already rebooted. Might as well. |
| 18:01.45 | herlo | mgeary: well then fdisk can be done... |
| 18:01.53 | herlo | it's just hairy |
| 18:02.06 | herlo | not too hairy, but let me give you a quick primer |
| 18:02.08 | fungus | not that hairy. Cheat and use cfdisk |
| 18:02.22 | herlo | fungus: ooh, but cfdisk introduces more fun stuff |
| 18:02.51 | fungus | as long as your careful, it's pretty easy. |
| 18:03.05 | mgeary | cfdisk looks encouraging |
| 18:03.08 | mgeary | i see the free space there |
| 18:03.33 | fungus | be very careful with it though. it's easy to toast your partition. |
| 18:03.56 | mgeary | well |
| 18:04.00 | mgeary | i just created sda6 |
| 18:04.03 | herlo | fungus: exactly my point... |
| 18:04.06 | mgeary | with the remaining free space |
| 18:04.09 | fungus | oh that works even better |
| 18:04.19 | fungus | just create a PV on that and extend your VG |
| 18:04.30 | mgeary | pvcreate ? |
| 18:04.39 | fungus | pvcreate /dev/sda6 |
| 18:04.49 | mgeary | <PROTECTED> |
| 18:05.03 | fungus | did you "write" from cfdisk? |
| 18:05.07 | mgeary | yes |
| 18:05.14 | mgeary | but it then did a bunch of terminal beeps |
| 18:05.25 | mgeary | when i go back into cfdisk, i see it there |
| 18:05.27 | fungus | ah, run "partprobe /dev/sda" |
| 18:05.43 | mgeary | there we go |
| 18:05.46 | mgeary | why didn't i think of that? |
| 18:06.10 | mgeary | ok |
| 18:06.14 | mgeary | pvcreate worked |
| 18:06.29 | fungus | now extend your VG, LV, and filesystem |
| 18:08.51 | mgeary | ok |
| 18:08.53 | mgeary | just about done |
| 18:08.59 | mgeary | running resize2fs /dev/STO-WS01/root |
| 18:09.01 | herlo | whee! |
| 18:09.06 | mgeary | will that take a while? |
| 18:09.17 | fungus | a little, but not too long. |
| 18:09.18 | mgeary | "Performing an on-line resize of /dev/STO-WS01/root to 129996800 (4k) blocks." |
| 18:09.31 | fungus | maybe 5min |
| 18:12.24 | fungus | the only reason to add a new disk instead of extending an existing one was to not require a reboot. But if you can reboot, then extending is cleaner. |
| 18:12.33 | mgeary | there we go |
| 18:12.35 | mgeary | all done |
| 18:12.36 | mgeary | whew |
| 18:12.39 | mgeary | that was so fun |
| 18:12.48 | mgeary | thanks so much fungus, herlo, DexterTheDragon |
| 18:12.52 | fungus | but herlo's suggestion to use kpartx makes that point moot. |
| 18:13.55 | fungus | lol, if you really wanna get complicated try extending the C: drive on a Windows 2003 server... |
| 18:14.01 | herlo | lol |
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| 19:34.08 | DexterTheDragon | shalkie: ping |
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| 20:06.11 | shalkie | DexterTheDragon: Pong |
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