>>> You have an application filesystem from one LUN. (vxfs is expensive, >>> ufs/svm is not really able to handle online filesystem increase. Thus we plan to use zfs for application filesystems.) > >>What do you mean by "not really"? >... >>Use growfs to grow UFS on the grown device. > >I know its off-toopic but the statement: " growfs will ``write-lock'' > (see lockfs(1M)) a mounted filesystem when expanding. " made me >always uncomfortable with this online expansion. I cannot guarantee how a >specific application will behave during the expansion.
-w Write-lock (wlock) the specified file-system. wlock suspends writes that would modify the file system. Access times are not kept while a file system is write- locked. All the applications trying to write will suspend. What would be the risk of that? Casper _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss