[Lustre-discuss] Deactivating an OST.
Theodoros Stylianos Kondylis
kondil at gmail.com
Tue Aug 13 06:07:06 PDT 2013
Hello everyone,
I am currently facing a situation and I cannot find what I am doing wrong.
Because of HW probs we have a problematic target. So I deactivated it on
the MDS-side. As far as I understand this sets it to ro-mode on the
clients. Which means that users can read their data but new writes cannot
happen on that target.
I even tested it on a test system to be sure that this is the case.
BUT... Today I was scanning for files that have data-objects on that target
in order to do a backup of the files and found files with last modification
date today.
Also, in the test system while having some files with data-objects on the
deactivated target, I could delete them. If I was opening them with vim
editing and saving them, then they would be saved outside of the
deactivated target. But I don't understand how could I delete files having
data-objects on a deactivated (ro) target.
So my question is "Have I understood something wrong??" If the target is in
ro-mode than how can users modify their data?
Thank you in advance to anyone replying.
Regards,
Stelios
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