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| grillo | Hi. I'm setting up new drives, headed for a RAID array for my new UbuServer. They're set up as GPT. For now, mobo's non-EFI -- that'll eventually change. For now, though, I need a "BIOS boot partition" to make Grub2 happy. IIUC, that needs to be at the "start" of the drive(s). Question -- at which sector should it start? sector=1?, the UNALIGNED start of the largest free block (sgdisk -f == 34), or the ALIGNED start of the largest free block | 01:20 |
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| grillo | (sgdisk -F == 2048)? | 01:20 |
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| lordievader[m] | Good morning | 06:36 |
| TafThorne | morning | 07:34 |
| yossarianuk | hi - I am setting up a replicated postgresql server, using pacemaker for HA - its for a Zaabix server, what advantage would also using DRDB give me ? | 08:44 |
| yossarianuk | many guides I have seen suggest using it - just wondering what advantage it would give? | 08:45 |
| maswan | Hm. That seems like layering two node replication steps on top of eachother | 08:46 |
| maswan | I don't see what you'd gain, other than more complexity and a potential fault source | 08:47 |
| yossarianuk | maswan: thanks for the response | 08:56 |
| fishcooker | yossarianuk: how about failover scene? | 08:56 |
| yossarianuk | maswan: That was my thought also, was wondering is perhaps there was better performance writing to a network shared block device over replicating normally.. | 08:57 |
| maswan | Should be worse actually, since DRBD requires each block write to hit disk on both places before returning from a write, rather than postgres just managing transaction syncs | 08:59 |
| maswan | But I haven't benchmarked it head-to-head, so that's just theory from my side | 09:00 |
| maswan | We run a fairly big postgres with repmgr and manual failover (we only have two servers there, so we can't rely on getting quorum) | 09:01 |
| yossarianuk | fishcooker: I am using this as a template for HA -> http://wiki.clusterlabs.org/wiki/PgSQL_Replicated_Cluster | 09:01 |
| yossarianuk | maswan: thanks - it was guides like this that made me consider DRDB -> https://wiki.postgresql.org/images/0/07/Ha_postgres.pdf | 09:06 |
| yossarianuk | Its for a zabbix server setup so pretty sure pacemaker should be fine in that case. | 09:06 |
| maswan | postgres 9.1 is pretty old in terms of replication support | 09:09 |
| maswan | streaming replication went into 9.3 I think? and it's much better in 9.5+ | 09:10 |
| fishcooker | noted, yossarianuk | 09:14 |
| yossarianuk | i think we plan to use 9.2, would it be better to bump the version in that case? | 09:22 |
| maswan | wow, that's old. xenial has 9.5 and trusty on 9.3 | 09:23 |
| yossarianuk | I think its being compiled from source (for some reason I am unaware of) - i'll speak to them and see why and encourage a newer version.. | 09:25 |
| yossarianuk | thanks for the advice... it a fairly new area for me, I usually use Mysql. | 09:25 |
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| aoam | hello, i have a little question, is it possible to run systemd system in lxd container on host that has no systemd ? (because of im having troubles with that, servicies inside doesnt work) | 15:14 |
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| nacc | powersj: LP: #1583126, src:mysql-5.6 is in universe in trusty, so we can unsub ubuntu-server? | 17:29 |
| ubottu | Launchpad bug 1583126 in mysql-5.6 (Ubuntu) "Cannot enable memcached plugin" [High,Confirmed] https://launchpad.net/bugs/1583126 | 17:29 |
| smoser | nacc, https://bugs.launchpad.net/ubuntu/+source/open-iscsi/+bug/1666573 | 17:58 |
| ubottu | Launchpad bug 1666573 in open-iscsi (Ubuntu) "transient systemd ordering cycle in boot with overlayroot ver read-only open-iscsi root" [Medium,Confirmed] | 17:58 |
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| dpb1 | teward: took a look at the release note blurb for nginx, looks great. :) | 23:22 |
| teward | dpb1: glad to hear it :) | 23:27 |
| teward | anything that needed changed, or is it good as is? | 23:27 |
| nacc | teward: as is, is great | 23:28 |
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