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On Thu, 31 Mar 2005, Peter Elmer wrote: > Hi Gregory, > > I think we are going around in circles. Could you answer the following > question? > > Are you trying to create "prod" areas in the 3 gpfs filesystems? (These > are _not_ read-only areas as BaBar has partitioned the namespace.) Hello, Actually you are right, I don't need "prod" areas (these are presently empty). I just need to provide access to data from the 3 store sub-directories. -- Gregory > > Pete > > On Thu, Mar 31, 2005 at 01:35:25AM +0200, Gregory Schott wrote: >> >> Hello Peter, >> >> I have 3 GPFS disks which can be seen from 2 GPFS dataservers. >> >> -- Gregory >> >> On Wed, 30 Mar 2005, Peter Elmer wrote: >> >>> >>> Hi Gregory, >>> >>> On which machine do you have these three filesystems: >>> >>>>>> disk1/some_path/prod >>>>>> disk1/some_path/store >>>>>> disk2/some_path/prod >>>>>> disk2/some_path/store >>>>>> disk3/some_path/prod >>>>>> disk3/some_path/store >>> >>> i.e. are you talking about a NAS box (with 3 filesystems) here or the >>> 3 gpfs filesystems? >>> >>> Pete >>> >>> On Wed, Mar 30, 2005 at 12:09:09PM +0200, Gregory Schott wrote: >>>> Hello Peter, >>>> >>>> No, these are two different problems. I have one problem writing to one of >>>> the NAS box. The other servers are setup read only, in particular the GPFS >>>> ones. The second independent problem is setting up the reading of the 3 >>>> GPFS disks using 1/2 GPFS dataservers. >>>> >>>> -- Gregory >>>> >>>> >>>> >>>> On Wed, 30 Mar 2005, Peter Elmer wrote: >>>> >>>>> Hi Gregory, >>>>> >>>>> On Wed, Mar 30, 2005 at 11:38:36AM +0200, Gregory Schott wrote: >>>>>>>> 3) Exporting multiple directories on GPFS >>>>>>>> ========================================= >>>>>>>> >>>>>>>> I have two servers (maybe only one in the future) and 3 directories to >>>>>>>> export. I would be very happy if someone had an example on how to use >>>>>>>> mps >>>>>>>> to export these. >>>>>> >>>>>>> This should work in the release 20050328-0656. Simply either list the >>>>>>> directories on the xrootd command line or list them via multiple export >>>>>>> directives in the config file. You've already done that for "/prod" and >>>>>>> "/store". So, what am I missing here? >>>>>> >>>>>> I cannot use this "20050328-0656" version so far because of the DNS >>>>>> problem >>>>> >>>>> Have you talked to the sysadmins at FZK? When will the strange /etc/hosts >>>>> files be fixed? >>>>> >>>>>> but the problem is that: I want to export >>>>>> >>>>>> disk1/some_path/prod >>>>>> disk1/some_path/store >>>>>> disk2/some_path/prod >>>>>> disk2/some_path/store >>>>>> disk3/some_path/prod >>>>>> disk3/some_path/store >>>>>> >>>>>> So far I can only export one disk using: >>>>>> >>>>>> oss.localroot /home/xrootd/disk/kanga/EventStore/ >>>>>> xrootd.export /prod >>>>>> xrootd.export /store >>>>> >>>>> I'm now confused: are you using the gpfs filesystem as a skim output >>>>> buffer >>>>> or for the read-only serving of data? I thought we had discussed it being >>>>> used for the latter (and some NAS box being used as the output buffer). >>>>> >>>>> Pete >>>>> >>>>> ------------------------------------------------------------------------- >>>>> Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644 >>>>> Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland >>>>> ------------------------------------------------------------------------- >>>>> >>> >>> >>> >>> ------------------------------------------------------------------------- >>> Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644 >>> Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland >>> ------------------------------------------------------------------------- >>> > > > > ------------------------------------------------------------------------- > Peter Elmer E-mail: [log in to unmask] Phone: +41 (22) 767-4644 > Address: CERN Division PPE, Bat. 32 2C-14, CH-1211 Geneva 23, Switzerland > ------------------------------------------------------------------------- >