Hi Steven, How To Repair the Time Machine File System on a disk, partition, or sparse bundle disc image(not the physical hardware).
<http://web.me.com/pondini/Time_Machine/A5.html> Sent from Ronni's iPad On 22/02/2011, at 5:25 AM, Steven Knowles <emai...@knowles.net.au> wrote: > Thanks Ronni. > > Yes, 1TB, spot on. I'm a decade behind the times. > > Sadly none of the A through D suggestions were applicable in my case, however > TC did eventually reach the end of a back up it seems, though still behaving > badly, as in slow. Right now I'm trying to see if Disk Utility can make an > assessment. Currently "checking catalog file" with just 1 day and 4 hours > estimated time remaining! Maybe my TC has reached the end of its useful life > - nearly 3 years old now. We'll see. > > Cheers, Steven > > > On 21/02/2011, at 8:24 PM, Ronda Brown wrote: > >> Hi Steven, >> >> On 21/02/2011, at 4:01 PM, Steven Knowles wrote: >> >>> >>> I have a MacBook Pro running 10.6.6 backing up to a 1GB TC (running >>> software version 7.5.2). >> >> I guess you mean a 1TB Time Capsule ;-) >>> >>> Suddenly the backing up process has slowed to an absolute crawl, even when >>> connected via ethernet. I've rebooted the TC a few times, no improvement. >> >> A) Did you have a ‘failed backup’ just prior to this slowing down? >> >> The first backup after one that failed or was cancelled may appear to be >> running very slowly, while Time Machine "recovers" the partial "in.Progress" >> file from the previous one. >> Give it a long time before deciding there's a problem. >> >> B) The first backup after removing certain exclusions, especially System >> Folders and/or Applications, can appear to be extremely slow, as they >> involve tens of thousands of mostly very small files. >> It may also seem to report that it’s reached the amount to be backed-up, but >> then the amount will increase (often very slowly). >> >> C) Did you notice if Spotlight was indexing when the slowdowns started? >> Exclude it from Spotlight, via System Preferences > Spotlight > Privacy. >> Spotlight might decide to start indexing the backup volume while the backup >> is in progress, causing a huge slowdown in backup speed (doubling or even >> quadrupling the required time, not to mention sucking up CPU time). >> >> The solution? Exclude all backup volumes, and remember that after erasing a >> drive, you’ll have to re-exclude it; Spotlight has the temerity to forget >> about the excluded volume once it’s erased, even if the name remains the >> same. >> >> D) If you’re using the Directory Protection feature of Tech Tool Pro, >> exclude your Time Machine volume from it. >> It can slow your backups down significantly, and it won’t help fix a problem >> there, anyway. >> In addition, you probably want to exclude its files from Time Machine >> backups, as they may cause large backups. >> >>> >>> The TC has 270GB of space available, so I don't see that as an issue. >>> >>> Any suggestions as to what the cause of slowness might be? Trying to avoid >>> a full reformat of the TC if I can. >> >> Cheers, >> Ronni >> >> 17" MacBook Pro Intel Core i7 >> 2.66GHz / 8GB / 1067 MHz DDR3 / 500GB Serial ATA Drive @ 7200rpm >> >> OS X 10.6.6 Snow Leopard >> Windows 7 Ultimate (under sufferance) >> > > > > -- The WA Macintosh User Group Mailing List -- > Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> > Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> > Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au> -- The WA Macintosh User Group Mailing List -- Archives - <http://www.wamug.org.au/mailinglist/archives.shtml> Guidelines - <http://www.wamug.org.au/mailinglist/guidelines.shtml> Unsubscribe - <mailto:wamug-unsubscr...@wamug.org.au>