<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><br>I'm currently rescuing a damaged hard drive for a friend. it seems to be<br>covered with bad sectors<br><br>[ 3806.522176] ata1.00: status: { DRDY ERR }<br>[ 3806.522179] ata1.00: error: { UNC }<br>[ 3806.617872] ata1.00: configured for UDMA/33<br>[ 3806.617900] ata1: EH complete<br>[ 3810.374961] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0<br>[ 3810.374971] ata1.00: BMDMA stat 0x24<br>[ 3810.374979] ata1.00: cmd c8/00:08:c0:58:09/00:00:00:00:00/e0 tag 0 dma 4096 in<br>[ 3810.374981] res 51/40:08:c1:58:09/00:00:00:00:00/e0 Emask 0x9 (media error)<br>[ 3810.374985] ata1.00: status: { DRDY ERR }<br>[ 3810.374988] ata1.00: error: { UNC }<br><br>so, every time it hits one of these sectors it ties the ata driver up for a least a minutes, sometimes more.<br><br>myrescue and ddrescue are both good
tools, but I seem to be getting more<br>success with dd_rhelp. it seems quite clever at not getting bogged down in 'area's of bad sectors' , I've managed to recover 300m (in twenty mins) so far, best myrescue did was about 100M (and that was leaving it over night).<br><br>It not that linux crashes or anything when hitting bad sectors, it's just a time<br>constraint. also that ata driver seems to completely fail if I try and read to many bad sectors concurrently, if this is the drive failing or the driver , I just can't tell.<br><br>I'll let you know how I get on, I tempted to put in the freezer , see if I can get<br>any more data of it.<br><br>I think most of the file system is intract, however the partiton table is missing,<br>I hear gpart can recreate that? know any better ones? or in fact manual<br>recreation, the disk was NTFS , single partition?<br><br>what's you choice of free linux recovery tools?<br><br>fingers
crossed...<br><br>Cheers,<br>Lee<br><br><br><br><br><br><br><br><br><br></td></tr></table><br>