Re: MD5SUMs differ across cluster nodes: Any ideas?
Junhao <[email protected]>
| Newsgroups | gmane.user-groups.linux.singapore |
|---|---|
| Message-ID | <[email protected]> |
On 04/09/2010 09:25 AM, Soh Kam Yung wrote: > On Tue, Apr 6, 2010 at 1:27 PM, Koo Jun Hao<[email protected]> wrote: >> Dear all, >> >> Just wondering, has anyone encountered situations where md5sums of a binary >> is inconsistent across servers? >> >> At $WORK, we needed to confirm the homogeneity of our cluster nodes. Did a >> full md5sum of each system, compared them to each other, but there are many >> surprising differences. > > Don't know why the sums are inconsistent, but it may indicate that > something has changed in the files. > > BTW, should you still be using md5sum for this? MD5 is no longer > considered a secure hash algorithm, with examples of two or more > different files generating the same MD5 hash available. [ > http://en.wikipedia.org/wiki/MD5 ] > > You should migrate to SHA1/SHA256, etc. > > Regards, > Kam Yung A couple of us dug further. It seems that dynamically linked binaries have different md5sums, while static binaries have the same. Still not quite sure why though... Regards, Junhao _______________________________________________ LUGS Mailing list - [email protected] List FAQ: http://wiki.lugs.org.sg/LugsMailingListFaq Info page: http://www.lugs.org.sg/mailman/listinfo/slugnet To unsubscribe send an empty email to: [email protected]