Date: Thu, 8 Nov 2007 23:30:13 +0300 From: Yuri Pankov <yuri.pankov@gmail.com> To: Artem Kuchin <matrix@itlegion.ru> Cc: freebsd-current@freebsd.org, Pawel Jakub Dawidek <pjd@freebsd.org> Subject: Re: gjournal weirdness contd Message-ID: <20071108203013.GE18314@darklight.org.ru> In-Reply-To: <002001c82241$0b722df0$0c00a8c0@Artem> References: <20071108194655.GD18314@darklight.org.ru> <002001c82241$0b722df0$0c00a8c0@Artem>
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On Thu, Nov 08, 2007 at 10:53:32PM +0300, Artem Kuchin wrote: > Yuri Pankov wrote: >> On Thu, Nov 08, 2007 at 10:30:47PM +0300, Artem Kuchin wrote: >>> All of the below is still there. I hope someone would help >>> with this. Pawel, please, answer. >>>> FReebSD 7-BETA2, amd64 (as of nov 5th) >>>> Here is what i did this time: >>>> WEIRDNESS N1: >>>> fdisk ad6 >>>> lable ad6 - only one fs for the full disc >>>> now i have /dev/ads1d >>>> then i do >>>> gjournal load >>>> gjournal label -f /dev/ad6s1d >>>> and now i get >>>> /dev/ad6 >>>> /dev/ad6s1 >>>> /dev/ad6s1.journal >>>> /dev/ad6s1.journalc >>>> /dev/ad6s1.journald >>>> What are all journal and why c and d are put AFTER >>>> the 'journal' word? >>>> omni3# gjournal list >>>> Geom name: gjournal 1827255885 >>>> ID: 1827255885 >>>> Providers: >>>> 1. Name: da0s1f.journal >>>> Mediasize: 304473987584 (284G) >>>> Sectorsize: 512 >>>> Mode: r0w0e0 >>>> Consumers: >>>> 1. Name: da0s1f >>>> Mediasize: 306473988096 (285G) >>>> Sectorsize: 512 >>>> Mode: r1w1e1 >>>> Jend: 306473987584 >>>> Jstart: 304473987584 >>>> Role: Data,Journal >>>> Geom name: gjournal 3462346836 >>>> ID: 3462346836 >>>> Providers: >>>> 1. Name: ad6s1.journal >>>> Mediasize: 397938328064 (371G) >>>> Sectorsize: 512 >>>> Mode: r0w0e0 >>>> Consumers: >>>> 1. Name: ad6s1 >>>> Mediasize: 400085812224 (373G) >>>> Sectorsize: 512 >>>> Mode: r1w1e1 >>>> Jend: 400085811712 >>>> Jstart: 397938328064 >>>> Role: Data,Journal >>>> da0 is a twa backed gjournal fs. And it is fine. >>>> ad6 is just connected to motherboard sata controller. >>>> journal size is approx 2GB (see weirdness 2) >>>> As you see, it seemslike gjournla is attached direcly to >>>> ad6s1 (TO SLICE!!!). I don't get it, why so many journal? >>>> why partition letter is at the end? What to mount? >>>> WEIDNESS N2: >>>> If i want to specify 2GB journal size >>>> i put >>>> label -s 2147483648 >>>> and after than i get 'journal size is too small' >>>> if i do >>>> label -s 2048000000 >>>> it works >>>> So, i patched the source a bit and set 2GB by default :) >>>> BUt this is all weird. >> I've seen the same behaviour with gjournal. Reason, as I understand >> it, is sysinstall creating first partition on slice at offset 0 and >> not 63 as gjournal expects. I've manually edited disklabel and changed >> offset >> of first partition to be 63 (and, of course, decreasing partition >> size). And I guess you see complaints from gjournal about this on >> console :-) So now I have: >> a: 67108801 63 4.2BSD 0 0 0 >> and no more weird behaviour from gjournal. >> BTW, it was really funny to observe it. Stopping gjournal on ad4s1a >> with `gjournal stop` would lead to gjournal now thinking it is on >> ad4s1 or ad4s1c. > > Aha! Then i'll try just creating a very small partition at the beginning > and > the the main partition. That should fix this and wasting 10Megs is not > a problem for a 400GB HDD :) You could just edit size and offset of partition using bsdlabel, but it's your choice :-) > > Yuri, have you ever tried to specify exctly 2GB journal size? like > gjournal label -s 2147483648 > > For me it says "journal size is too small". No, I'm using defaults. > > -- > Artem > Yuri
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