We are mainly an EXT3 shop. I know z/VM can grow an LVMd EXT3 fs, just not sure if it has the ability to shrink it.
>>> On Fri, Aug 15, 2008 at 12:07 PM, in message <[EMAIL PROTECTED]>, "Fargusson.Alan" <[EMAIL PROTECTED]> wrote: > It depends on the filesystem. Some can shrink and some can't. Also some can > shrink only if there are no used blocks in the area that is going to be > removed. > > -----Original Message----- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of > Ryan McCain > Sent: Friday, August 15, 2008 9:43 AM > To: [email protected] > Subject: Re: Root filesystem > > > Is it possible to shrink a LVM fs, not just grow it? > >>>> On Fri, Aug 15, 2008 at 11:04 AM, in message > <[EMAIL PROTECTED]>, Mark Post > <[EMAIL PROTECTED]> wrote: >>>>> On 8/15/2008 at 12:58 AM, in message <[EMAIL PROTECTED]>, Mark >> Perry <[EMAIL PROTECTED]> wrote: >> -snip- >>> Is there a way to trigger a script when a filesystem (FS) hits a certain >>> percentage full? (90%?) >> >> Of course. I have such a thing set up on my Slack/390 development systems >> so that I know when to temporarily suspend rsynching from my "upstream" >> source at slackware.com. >> >>> If so, then one could develop a method to automatically issue the >>> required lvresize and ext2online commands to keep the FS within a >>> certain percentage range (70-90%?). Of course rules could be developed >>> to make this more sophisticated: >>> which FS are controlled, what % range per FS, limits of VG % free etc. >> >> You're certainly willing to do that to yourself. I would not want to do it, > >> nor make that available to others. That sort of thing is very, very, >> complicated, and I would want a human looking at that and making decisions, >> not software. >> >> >> Mark Post >> >> ---------------------------------------------------------------------- >> For LINUX-390 subscribe / signoff / archive access instructions, >> send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or >> visit >> http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > ____________________________________________________________________________ > ______________________ > > CONFIDENTIALITY NOTICE: This email from the State of California is for the > sole use of the intended recipient and may contain confidential and > privileged information. Any unauthorized review or use, including disclosure > or distribution, is prohibited. If you are not the intended recipient, > please contact the sender and destroy all copies of this email. > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
