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Path: euryale.cc.adfa.oz.au!newshost.carno.net.au!harbinger.cc.monash.edu.au!news.rmit.EDU.AU!goanna.cs.rmit.edu.au!news.apana.org.au!cantor.edge.net.au!news.teragen.com.au!news.access.net.au!news.mel.connect.com.au!munnari.OZ.AU!news.ecn.uoknor.edu!feed1.news.erols.com!news.maxwell.syr.edu!cpk-news-hub1.bbnplanet.com!news.bbnplanet.com!EU.net!sun4nl!phcoms4.seri.philips.nl!news From: Hans Lambermont <Hans.Lambermont@mpn.cp.philips.com> Newsgroups: comp.unix.bsd.freebsd.misc Subject: fsck cannot read blk error. ARRE and AWRE are 1... Date: Sun, 23 Feb 1997 15:16:50 +0100 Organization: Philips Electronics N.V. Lines: 88 Message-ID: <33105152.521C@mpn.cp.philips.com> Reply-To: Hans.Lambermont@mpn.cp.philips.com NNTP-Posting-Host: dialin-17.ehv.cp.philips.com Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Mailer: Mozilla 3.01 (Win95; I) Xref: euryale.cc.adfa.oz.au comp.unix.bsd.freebsd.misc:35956 I'm having a problem with one of my scsi drives. fsck reports an unreadable block, AWRE and ARRE are enabled, but the error persists. fsck /dev/sd1s1e ** /dev/rsd1s1e ** Last Mounted on /export/600 ** Phase 1 - Check Blocks and Sizes CANNOT READ: BLK 458816 CONTINUE? [yn] y THE FOLLOWING DISK SECTORS COULD NOT BE READ: 458816, ** Phase 2 - Check Pathnames ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts ** Phase 5 - Check Cyl groups 925 files, 244282 used, 325413 free (157 frags, 40657 blocks, 0.0% fragmentation ) I get in /var/log/messages a lot of: Feb 23 15:05:26 system1 /kernel: sd1(aha0:3:0): MEDIUM ERROR info:70040 asc:11,0 Unrecovered read error While the disk should relocate the faulty block: scsi -f /dev/sd1 -m1 AWRE (Auto Write Reallocation Enbld): 1 ARRE (Auto Read Reallocation Enbld): 1 TB (Transfer Block): 0 RC (Read Continuous): 0 EER (Enable Early Recovery): 1 PER (Post Error): 1 DTE (Disable Transfer on Error): 0 DCR (Disable Correction): 0 Read Retry Count: 16 Correction Span: 11 Head Offset Count: 0 Data Strobe Offset Count: 0 Write Retry Count: 0 Recovery Time Limit: 0 fsck gives the same problem when started once again. Just as extra info on my disk and system: scsiformat /dev/sd1 CDC 94181-15 0293 Mode data length: 31 Medium type: 0 Device Specific Parameter: 0 Block descriptor length: 8 Density code: 0 Number of blocks: 0 Reserved: 0 Block length: 512 PS: 1 Reserved: 0 Page code: 4 Page length: 18 Number of Cylinders: 1546 Number of Heads: 15 Starting Cylinder-Write Precompensation: 0 Starting Cylinder-Reduced Write Current: 0 Drive Step Rate: 0 Landing Zone Cylinder: 0 Reserved: 0 RPL: 0 Rotational Offset: 0 Reserved: 0 Medium Rotation Rate: 0 Reserved: 0 Reserved: 0 This is on FreeBSD 2.1.5 running on an Intel 486-66 with 16 MB Ram and an Adaptec 1540 SCSI controller. Please reply both to email and this group. I have seen a related question on the freebsd hackers archive. Thanks a lot in advance! I don't want to loose this 500 MB on data. Hans