>Steven Sim wrote: >> Hello; >> >> I frequently conduct the following operation; >> >> #ufsdump 0f - <unmounted ufs raw device> | (cd /mnt; ufsrestore xf -) >> >> I have noticed that the above takes place so much slower in single user >> mode than in multi user mode. >> >> A newfs operation on a local block device is also much slower in single >> user mode than in run level 3. >> >> I'm sure there is a reason for this but it eludes me..... >> >> Also, would the mounting /mnt with the ufs forcedirectio option make the >> ufsrestore faster? >> >> e.g. >> >> #mount -F ufs -o forcedirectio /dev/dsk/c1t1d0s5 /mnt >> >> Warmest Regards >> Steven Sim > > >That's a weird one. > >Is the /tmp filesystem mounted in single user mode? Do >these utilities rely on /tmp files? > >You might add which version of Solaris and which hardware to >help us guess more accurately :-).
Perhaps we need to understand which OS release this is exactlyu and how single user boot is done. (If it boots from a pre-S10 network image, SCSI options will be set to "crawl") Casper _______________________________________________ opensolaris-discuss mailing list opensolaris-discuss@opensolaris.org
