Date: Wed, 25 Apr 2001 17:39:37 +0300 From: Ruslan Ermilov <ru@FreeBSD.ORG> To: Nick Sayer <nsayer@quack.kfu.com> Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Dump very slow in 4.3-RELEASE? Message-ID: <20010425173937.A34506@sunbay.com> In-Reply-To: <200104251428.f3PESdH27865@morpheus.kfu.com>; from nsayer@quack.kfu.com on Wed, Apr 25, 2001 at 07:28:39AM -0700 References: <200104251428.f3PESdH27865@morpheus.kfu.com>
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More to that... Yesterday I've got larged HDD, and used ``dump -0 -f- | restore -r -f-'' to move the data (on yesterday's 4.3-STABLE). Is it normal that the speed was 170Kb/s, as reported by dump(8)? On Wed, Apr 25, 2001 at 07:28:39AM -0700, Nick Sayer wrote: > Amanda has begun timing out one of my slower clients. I have tracked this > down and it appears to be the fact that generating the estimates takes > much, much longer now than it used to. > > Amanda estimates the amount of space a backup will take by actually starting > the backup, waiting for the estimate line that follows the end of Pass II, > then killing the backup. The problem is that for an unknown reason, Pass II > is now taking an incredibly long time. > > For example: > > Filesystem 1K-blocks Used Avail Capacity iused ifree %iused Mounted on > /dev/ad0s1e 1744767 1024514 580672 64% 167453 269025 38% /usr > dial%df /usr > Filesystem 1K-blocks Used Avail Capacity Mounted on > /dev/ad0s1e 1744767 1024514 580672 64% /usr > > Just getting the estimate line for a level 1 on this filesystem takes a > half hour (CPU is a K6-233, disk is using UDMA33). > > Does this have something to do with the changes made to support hierarchical > nodump processing? I have some trees on this fs that in the past I have > done a chflags -R nodump on. Might this be causing dump some heartburn? -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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