From: card@masi.ibp.fr (Remy CARD) Subject: Re: Request to FS developers... superblock corruption Date: Fri, 2 Apr 1993 04:20:51 GMT
In article <C4roru.Co4@crdnns.crd.ge.com> davidsen@crd.ge.com (bill davidsen) writes:
>In article <1993Mar30.225156.22022@jussieu.fr>, card@masi.ibp.fr (Remy CARD) writes:
>
>| The ext 2 fs already contains support for super block duplication.
>| The super block is written several times on the fs and it should be quite
>| easy to add a super block repair from the copies to e2fsck. I have not
>| done it yet but it will come soon.
>
> This is certainly a major addition to the reliability of the f/s. At
>some point it will be desirable to have a version of fsdb, as well, but
>not until the 'filesystem of the day' situation sorts out. Cross
>polination of ideas between them is improving things for the users.
I don't know if a fsdb program is really needed. I have never used
it but I believe that it requires a lot of understanding of the fs internal
structures. I'd hate to see people destroy their fs because they made an
error with fsdb.
BTW, if people think that a fsdb program is needed, I will consider
writing one for the ext 2 fs. To write it, I will need a fsdb reference
because I don't have access to any machine with fsdb. So, I'd appreciate if
somebody could send me a fsdb documentation (or a pointer to get such a
document).
Note that I don't promise that I write fsdb for ext 2 fs (I have lots
of higher priority things to do) but I may write one if people convince me that
it is really needed.
>
>--
>bill davidsen, GE Corp. R&D Center; Box 8; Schenectady NY 12345
>