Tnx will try ;)
On Fri, Mar 1, 2013 at 10:41 AM, Steffen Kaiser <[email protected]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > On Thu, 28 Feb 2013, Ed W wrote: >> >> On 28/02/2013 13:59, Pavel Dimow wrote: >>> >>> Hi, >>> >>> I want to upgrade to version 2 but I would like to solve a long >>> standing problem with 'flat' directory structure ie >>> we have /var/spool/vmail/mydomain.com/[email protected] and I want a >>> new server with version 2 to have >>> hashed directory structure like /var/spool/vmail/mydomain.com/u/s/user >>> I was wondering it f there is some better solution then dir hashing or >>> a way to hash a dir other then first two letters. >>> Also any suggestion how to perform this migration from old to new >>> server with hashing on the fly? >>> >> >> My thought would be that unless you have millions of users, such a rename >> process will take only seconds to minutes? Why not just take the server >> down for a couple of minutes to do the rename process? >> >> If you wanted to be really clever, you could do it live using symlinks to >> move the dirs, then update the dovecot config? > > > Yeah: > > for dir in /var/spool/vmail/mydomain.com/*; do > to="$(script_to_map_name "$dir")" > if ! test -d "$(dirname "$to")"; then > # add -m 0555 if needed > mkdir -p "$(dirname "$to")" > fi > # If a new mails arrives or the user access the box > # there will be an error for a (very) short time > mv "$dir" "$to" > ln -s "$to" "$dir" > # no more errors done > > Then update the config, reload Dovecot, wait a bit, remove the symlinks. > > - -- Steffen Kaiser > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > > iQEVAwUBUTB32F3r2wJMiz2NAQK2vgf/V5OCGWdToQJOxCtUlZp+aMslznBpr2Rq > XrjANVYblMUzipd8HFR7YzbHkgJizm/t5k5+OHg9xX1D9YrsxB9/9k1pMRomAuCv > nIBWmb4JTIvq2MJihstXZj8q/z3i5OXbb7Mp5o/YgkZqx9OBfD4IJvSRT6d7vuld > 7xCSc56zF7MlpFfXXN9nBYBFNGXvOEmvgrZNd2BtL6iSWxC7tVZbfkdLfuUS0RKv > FKIcuESPZNkKmr86NxEegpOz8fs7ZdSrvs5ibqNdDN4+oOnKC55EwOPgY1OOhWmB > ZdzmDAdy8ztXauWmuznkAP+FzhZV5jIBXlNJLnkj2xGsT5x20/FTvg== > =nW5U > -----END PGP SIGNATURE-----
