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IRC: #techbytes @ FreeNode: Thursday, September 17, 2020

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schestowitz__>> 1) I moved the localhost nightly dump of TM 4 minutes earlier... so asSep 17 00:45
schestowitz__>> to not overlap (in terms of time) the TR dump. I hope it'll reduce theSep 17 00:45
schestowitz__>> I/O 'slaughtering' and make TR more responsive even during backup slots.Sep 17 00:45
schestowitz__>> Same physical machine (HV), never bothered checking how one interactsSep 17 00:45
schestowitz__>> with the other at those times...>> Good idea.  I thought we had them spaced out adequately before, but moreSep 17 00:45
schestowitz__> time may have been needed.Sep 17 00:45
schestowitz__I asked around if there's a  simple way to avoid downtime. The answer is no. But we can shorten the length.Sep 17 00:45
schestowitz__>> 2) I fixed (1), which was failing since June (we did not notice) due toSep 17 00:45
schestowitz__>> orphaned old backup that left not enough disk space in userspace. TheSep 17 00:45
schestowitz__>> backup was aborted each night, sending an E-mail to localhost withSep 17 00:45
schestowitz__>> status to that effect. It's not a big deal because remote backups (toSep 17 00:45
schestowitz__>> TR) still worked fine. I noticed this while doing some 'housekeeping' onSep 17 00:45
schestowitz__>> the server yesterday. I let the 'test' run its course the following daySep 17 00:45
schestowitz__>> (today) and watched it closely as it happened. On TM it seems like gzipSep 17 00:45
schestowitz__>> causes less strain then the backup being put on hold for the dump. I'mSep 17 00:46
schestowitz__>> sure some DB guru might know tricks for overcoming temporary downtimeSep 17 00:46
schestowitz__>> altogether.Sep 17 00:46
schestowitz__> /home is at 80%Sep 17 00:46
schestowitz__>Sep 17 00:46
schestowitz__> $ df -hP | awk '/^\// {print $6,$5,$1}' OFS="\t"  | sort -k2,2nrSep 17 00:46
schestowitz__> /home80%/dev/mapper/sysvg-homeSep 17 00:46
schestowitz__> /61%/dev/sda3Sep 17 00:46
schestowitz__> /var39%/dev/mapper/sysvg-varSep 17 00:46
schestowitz__> /usr31%/dev/mapper/sysvg-usrSep 17 00:46
schestowitz__> /boot9%/dev/sda2Sep 17 00:46
schestowitz__> /tmp9%/dev/mapper/sysvg-tmpSep 17 00:46
schestowitz__>Sep 17 00:46
schestowitz__> Do we need automated e-mail if a partition exceeds 90%?Sep 17 00:46
schestowitz__If it goes beyond 87% of so, it'll already fail. Days ago I culled out some old TM backups in the stack. Sometimes I also make offsite backups of /uploads and DB, just in case...Sep 17 00:46
schestowitz__DNS is controlled only by me, for now...Sep 17 00:46
schestowitz__>> While I am highly sceptical of OIN (for a number of reasons), you needSep 17 00:46
schestowitz__>> to contact them about this.Sep 17 00:46
schestowitz__> The response that OIN chooses will be very telling, very important.  ISep 17 00:46
schestowitz__> hope Sam is able to follow up on this and that the OIN response, eitherSep 17 00:46
schestowitz__> way, could be made public.Sep 17 00:46
schestowitz__Yes, I do not plan to publish anything (not with project name etc.) without prior permission as it can impact the outcome.Sep 17 00:46
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schestowitz>> If it goes beyond 87% of so, it'll already fail. Days ago I culled outSep 17 13:50
schestowitz>> some old TM backups in the stack. Sometimes I also make offsite backupsSep 17 13:50
schestowitz>> of /uploads and DB, just in case...Sep 17 13:50
schestowitz> I need to do a full backup of TR onto another drive. I'll probably beSep 17 13:50
schestowitz> able to do it within a week.Sep 17 13:50
schestowitzThat would be good. We spent so much time creating and maintaining it; backups only take a fraction of that time.Sep 17 13:50
schestowitz> By the way, I still have the old Qemu image from last year on a leftSep 17 13:50
schestowitz> over drive.Sep 17 13:50
schestowitzMaybe a good fallback/backup plan for D-R. Not that it should become necessary, but better something than nothing. I have only scattered backups of /home rather than the whole system.Sep 17 13:50
schestowitz>> DNS is controlled only by me,Sep 17 13:50
schestowitz> Good.Sep 17 13:50
schestowitzThrough Catalyst2.Sep 17 13:50
schestowitz>> for now...Sep 17 13:50
schestowitz> ?? :(Sep 17 13:50
schestowitzWhat I meant to say is, I want to add you to it, just in case... it's managed at Catalyst2 and I can give them a name for "grant of authority" or whatever it's called in DNS/computing context. This may require giving some address and contact details.Sep 17 13:50
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