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- Newsgroups: comp.sys.sun.admin
- Path: sparky!uunet!wupost!spool.mu.edu!agate!usenet.ins.cwru.edu!neoucom.edu!wtm
- From: wtm@uhura.neoucom.edu (Bill Mayhew)
- Subject: Re: format vs. fsck on a SCSI disk
- Message-ID: <1992Sep09.135305.838@uhura.neoucom.edu>
- Organization: Northeastern Ohio Universities College of Medicine
- References: <1992Sep9.130633.20569@emr1.emr.ca>
- Date: Wed, 09 Sep 1992 13:53:05 GMT
- Lines: 31
-
- I just had a similar problem with my IPC. Fsck freaked out
- repeatedly over the same block. The drive on the system is a 207
- MB Maxtor. I had to use format, repair to get rid of the offending
- block. Byte-from-index wasn't required, just the logical block
- number; apparently format is smart enough to figure out what to do.
-
- I don't know if the drive reformatted just the one block or it just
- spared it out to another reserve block. The whole process happened
- automagically.
-
- On my older sun 3/160, I ran into a bad block due to a grown
- defect. The only way to get rid of the problem was to do a
- complete format on the drive, adding the offending spot to the
- defect list; on the fly repair was not possible for that drive
- (Priam 738, 330 meg) for whatever reason.
-
- Apparently not all SCSI drives are created equal when it comes to
- being able to sapre/reformat bad blocks on the fly. I'd think that
- the Seagate 1.3 gig drive is new enough that it should have all the
- latest bells and whistles. My 3rd party refernce book doesn't
- mention any jumper settings, but I know that some ESDI drives I've
- used in the past have strapping options to enable/disable spare
- blocks. I guess the idea is that if you want the absolute maximum
- storage on the drive you can disable spare blocks and let your
- operating system worry about handling mapping of grown defects.
-
-
- --
- Bill Mayhew NEOUCOM Computer Services Department
- Rootstown, OH 44272-9995 USA phone: 216-325-2511
- wtm@uhura.neoucom.edu (140.220.1.1)
-