Re: [OmniOS-discuss] move dump and swap to other pool
Hi! -Dan McDonald dan...@omniti.com skrev: - Till: Johan Kragsterman johan.kragster...@capvert.se Från: Dan McDonald dan...@omniti.com Datum: 2014-05-08 16:37 Kopia: OmniOS-discuss@lists.omniti.com omnios-discuss@lists.omniti.com Ärende: Re: [OmniOS-discuss] move dump and swap to other pool On May 8, 2014, at 4:30 AM, Johan Kragsterman johan.kragster...@capvert.se wrote: Hi! I got a relatively small(20 GB) SLC SSD as rpool, and I would like to move the dump and swap devices to another pool. ATM the pkg update process isn't possible, because I got too little space left on the rpool. Can someone give me some advices here, how I would do this in the best way? About dump: Unless you have r151008 or later, you can only use a zvol on a mirror or single-disk pool. Having said that: zfs create -V size newpool/dump dumpadm -d /dev/zvol/newpool/dump And for swap (which should be good regardless what newpool is...): zfs create -V size newpool/swap swap -a /dev/zvol/newpool/swap swap -d /dev/zvol/oldpool/swap This all worked fine, but swap -a /dev/zvol/newpool/swap doesn't persist across reboots...I checked the swap(1M), but can't find anything that suggest how to handle that. Any advices? Regards Johan Hope this helps, Dan ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
Re: [OmniOS-discuss] move dump and swap to other pool
10 мая 2014 г. 11:45:02 CEST, Johan Kragsterman johan.kragster...@capvert.se пишет: Hi! -Dan McDonald dan...@omniti.com skrev: - Till: Johan Kragsterman johan.kragster...@capvert.se Från: Dan McDonald dan...@omniti.com Datum: 2014-05-08 16:37 Kopia: OmniOS-discuss@lists.omniti.com omnios-discuss@lists.omniti.com Ärende: Re: [OmniOS-discuss] move dump and swap to other pool On May 8, 2014, at 4:30 AM, Johan Kragsterman johan.kragster...@capvert.se wrote: Hi! I got a relatively small(20 GB) SLC SSD as rpool, and I would like to move the dump and swap devices to another pool. ATM the pkg update process isn't possible, because I got too little space left on the rpool. Can someone give me some advices here, how I would do this in the best way? About dump: Unless you have r151008 or later, you can only use a zvol on a mirror or single-disk pool. Having said that: zfs create -V size newpool/dump dumpadm -d /dev/zvol/newpool/dump And for swap (which should be good regardless what newpool is...): zfs create -V size newpool/swap swap -a /dev/zvol/newpool/swap swap -d /dev/zvol/oldpool/swap This all worked fine, but swap -a /dev/zvol/newpool/swap doesn't persist across reboots...I checked the swap(1M), but can't find anything that suggest how to handle that. Any advices? Regards Johan Hope this helps, Dan ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss Fix up /etc/vfstab -- Typos courtesy of K-9 Mail on my Samsung Android ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
[OmniOS-discuss] move dump and swap to other pool
Hi! I got a relatively small(20 GB) SLC SSD as rpool, and I would like to move the dump and swap devices to another pool. ATM the pkg update process isn't possible, because I got too little space left on the rpool. Can someone give me some advices here, how I would do this in the best way? Best regards from/Med vänliga hälsningar från Johan Kragsterman Capvert ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
Re: [OmniOS-discuss] move dump and swap to other pool
On May 8, 2014, at 4:30 AM, Johan Kragsterman johan.kragster...@capvert.se wrote: Hi! I got a relatively small(20 GB) SLC SSD as rpool, and I would like to move the dump and swap devices to another pool. ATM the pkg update process isn't possible, because I got too little space left on the rpool. Can someone give me some advices here, how I would do this in the best way? About dump: Unless you have r151008 or later, you can only use a zvol on a mirror or single-disk pool. Having said that: zfs create -V size newpool/dump dumpadm -d /dev/zvol/newpool/dump And for swap (which should be good regardless what newpool is...): zfs create -V size newpool/swap swap -a /dev/zvol/newpool/swap swap -d /dev/zvol/oldpool/swap Hope this helps, Dan ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
Re: [OmniOS-discuss] move dump and swap to other pool
Hi! -Dan McDonald dan...@omniti.com skrev: - Till: Johan Kragsterman johan.kragster...@capvert.se Från: Dan McDonald dan...@omniti.com Datum: 2014-05-08 16:37 Kopia: OmniOS-discuss@lists.omniti.com omnios-discuss@lists.omniti.com Ärende: Re: [OmniOS-discuss] move dump and swap to other pool On May 8, 2014, at 4:30 AM, Johan Kragsterman johan.kragster...@capvert.se wrote: Hi! I got a relatively small(20 GB) SLC SSD as rpool, and I would like to move the dump and swap devices to another pool. ATM the pkg update process isn't possible, because I got too little space left on the rpool. Can someone give me some advices here, how I would do this in the best way? About dump: Unless you have r151008 or later, you can only use a zvol on a mirror or single-disk pool. Having said that: zfs create -V size newpool/dump dumpadm -d /dev/zvol/newpool/dump And for swap (which should be good regardless what newpool is...): zfs create -V size newpool/swap swap -a /dev/zvol/newpool/swap swap -d /dev/zvol/oldpool/swap Hope this helps, Dan Thanks, Dan, that was EXACTLY what I needed!!! And the newpool, wich is called mainpool here, are mirrored disk, yes. Regards Johan ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
Re: [OmniOS-discuss] move dump and swap to other pool
From: Dan McDonald Sent: Thursday, May 08, 2014 7:38 AM And for swap (which should be good regardless what newpool is...): zfs create -V size newpool/swap Unless I'm misremembering, the default blocksize for a zvol is 8k, and the recommended blocksize for a swap zvol on x86 is 4k, so I usually explicitly specify the blocksize when creating a swap zvol: zfs create -b 4k -V size pool/swap Also, in the past there was a bug that could result in a kernel wedge unless you tweaked the cache settings for a zvol in use for swap: zfs set primarycache=metadata pool/swap zfs set secondarycache=none pool/swap Possibly that has been fixed? But I don't think it hurts either way, so I still do it. ___ OmniOS-discuss mailing list OmniOS-discuss@lists.omniti.com http://lists.omniti.com/mailman/listinfo/omnios-discuss
