toasters

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13529 discussions

FW: usermapping UNIX <-> NT
by Willeke, Jochen 24 Jul '07

24 Jul '07

Hi, wafl.default_nt_user was it.... No set it to wafl.default_nt_user "" and it is working lika a charm :D Rgds and thanks to all Jochen -----Original Message----- From: Parisi, Justin [mailto:Justin.Parisi@netapp.com] Sent: Monday, July 23, 2007 3:02 PM To: Willeke, Jochen Subject: RE: usermapping UNIX <-> NT Check your options for mappings from PC users - options cifs.guest_account and options wafl.default_nt_user - you may have nobody as an entry in one of those options... -----Original Message----- From: Willeke, Jochen [mailto:Jochen.Willeke@wincor-nixdorf.com] Sent: Monday, July 23, 2007 7:02 AM To: toasters(a)mathworks.com Subject: usermapping UNIX <-> NT Hi toasters, we currently have a strange problem. We have setup a volume with mixed security style and exports and CIFS shares on it. I have made an entry in the usermap.cfg like this Domain\jochen.willeke == utest In filers local passwd utest has UID 1234 (only for a test). Mapping checked with wcc seems to work well, but when i create a folder from the windows side with my user jochen.willeke and then check with "ls -n" from a unix host, it shows me the UID and group ID from nobody (65534). Has anybody an idea where my mistake is?? Best Regards and thanks in advance Jochen e this > > > > Domain\jochen.willeke == utest > > > > In filers local passwd utest has UID 1234 (only for a test). > > Mapping checked with wcc seems to work well, but when i create a > folder > > from the windows side with my user jochen.willeke and then check with > > "ls -n" from a unix host, it shows me the UID and group ID from nobody > > (65534). > > > > Has anybody an idea where my mistake is?? > > > > Best Regards and thanks in advance > > > > Jochen

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usermapping UNIX <-> NT
by Willeke, Jochen 23 Jul '07

23 Jul '07

Hi toasters, we currently have a strange problem. We have setup a volume with mixed security style and exports and CIFS shares on it. I have made an entry in the usermap.cfg like this Domain\jochen.willeke == utest In filers local passwd utest has UID 1234 (only for a test). Mapping checked with wcc seems to work well, but when i create a folder from the windows side with my user jochen.willeke and then check with "ls -n" from a unix host, it shows me the UID and group ID from nobody (65534). Has anybody an idea where my mistake is?? Best Regards and thanks in advance Jochen

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VMware ESX and NFS Performance issues at mount-time (was RE: NetApp Thin Provisioning and VMware ES
by Kenneth Heal 20 Jul '07

20 Jul '07

Hi JackNo, this is not normal.My first suspicion would be network connectivity problems, as NFS is quite sensitive to under/bad- performing networks.When tried mounting the export from another box, was the other box in the same subnet as your ESX machine?The other thing to of course check out is if you have configured virtual switches and virtual network architecture on the ESX machine.Depending on your situation (whether you are on-site and which bit of the network are mission critical and so on) I would first of all try putting a laptop or another box on the same place as the ESX server originally was, give it the same IP address and use a non-virtualised Linux/Un*x and see if you are able to mount the export successfully. This would then allow you to include/exclude ESX and ESX virtual infrastructure on the one hand and actual network infrastructure as the source of the problem.I would also check the filer messages log from the time you are trying to mount the system, as this may also reveal clues as to what is going on.Let us know how you get on or if this proves not feasible =(e.g. remote site)... maybe others on this dl also have some suggestions.Kindest regardsKennethKenneth HealStorage ConsultantSenet Eindhoven bv> Date: Thu, 19 Jul 2007 07:03:37 -0400> From: jack1729(a)gmail.com> To: mvstew(a)gmail.com> CC: drenthjd(a)wxs.nl; kheal(a)hotmail.com; toasters(a)mathworks.com> Subject: Re: NetApp Thin Provisioning and VMware ESX> > I am new to using esx on nfs. I have create an nfs export but when I > try to mount it from the esx box, it is really slow - it takes 2- 3 > minutes to mount?> > I assume that isn't normal, but I am not sure where to start looking for > problems. I assume it is probably doing something and then waits until > a timeout occurs before proceeding with the mount. I can nfs mount the > same filer / export on another box no problem (i.e. quickly) _________________________________________________________________ Play free games, earn tickets, get cool prizes! Join Live Search Club. http://club.live.com/home.aspx?icid=CLUB_wlmailtextlink

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Lessons Learned - Upgrade to 7.2.2 (i2p)
by Glenn Walker 19 Jul '07

19 Jul '07

While the subject is 'i2p', this isn't an email telling you about the mapping that causes some high utilization, rather it is about the aftermath of the i2p mapping process. I recently performed an upgrade of some of our nearstore systems (used for email compliance, among other things), and was expecting a pretty serious utilization curve while the i2p mapping was performed as part of the upgrade (we upgraded from 7.0.6, not 7.1.X). This came and passed with high utilization of CPU and DISK, but no real issues. However, the i2p mapping apparently keeps the inode-2-path map for every file\inode in the metadata - we have volumes with snaplocked data in the terabytes, the most heavily utilized of which is about 110million files (the 2nd highest utilized is about 82million). As this data has been marked as 'archive' in the Enterprise Vault system, it isn't being written to anymore, so I'm not terribly concerned with the snapmirror update taking a while - however, it is throttled down pretty low as our WAN is not yet up to snuff (coming later this year). Apparently, because i2p touches each inode, we have about 110million*4KB to transfer (~420GB) for the 'update' to our 4.2TB volume. Likewise, the 3.2TB volume with 82million files had about 313GB to transfer. If you have volumes with a significant amount of files, be aware that the snapmirror update after the i2p process completes post-7.2.2 upgrade (or 7.1.1 even, I suppose) will be fairly significant in size. Hope this helps some of you out there so that you are not caught unaware. 'evening Glenn

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NetApp Thin Provisioning and VMware ESX
by drenthjd＠wxs.nl 18 Jul '07

18 Jul '07

Hi Toasters, We created something of an interesting dilemma for ourselves. The original problem was the lack of a means to extend existing VMFS LUNs through ESX without an extent and or downtime. The idea was to use NetApp thin provisioning as a way to offer up a large disk to ESX without the need to back that up with real disks, as a way to monitor real disk usage we created a hard volume and monitor with df the real use of disk against a hard limit (being the volume). So a 1 TB Lun (thin) was created inside a 200 GB (hard) volume, subsequently we wanted to keep track of ESX 3's usage through controlling the size of the VMDK files we would create. As this environment hosts desktops and was a testing ground at first there were a whole bunch of VMDK being created and destroyed. The situation we end up with is VMware thinking it has 60 GB in use of a 1 TB LUN while NetApp reports 180 GB in use of 200 GB (being the hard limit at this time). Basically the question becomes whether we can force ESX to actually reuse any of the [netapp in use] - [real use according to ESX] = 130 GB of space. Probably we need to clean up and start over with a new clean LUN, which we could then either hard provision and forget about thin provisioning altogether, because in our scenario it is no help. A broader question becomes were we went wrong? Our situation seems to suggest that we waste a whole lot of disk space - which VMware wont reuse on its own, and which NetApp can't touch (how would it know it was now freed up space) In that sense thin provisioning is just a space waster in an environment with VMDK's being destroyed and recreated from scratch. Of course we could always go flexcloning... but that would force netapp world on a whole lot of admins. Best regards, Delorean

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FW: GREETING CARD EMAILS
by Maglinger, Paul 17 Jul '07

17 Jul '07

Sorry guys. Don't know how your address got attached to this... Paul ________________________________ From: owner-toasters(a)mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Maglinger, Paul Sent: Tuesday, July 17, 2007 3:02 PM To: pmaglinger(a)inetmail.att.net; sendme18roses(a)yahoo.com; samus_aran5506(a)juno.com; cal6014(a)evansville.net; NetApps list server; Stan Maglinger Subject: GREETING CARD EMAILS Importance: High Be very careful in opening an email stating "You've received a greeting ecard from a School friend!" or some other subject regarding an E-Card. If it is not from someone you know I advise you to delete the email. Some will even say that they were sent by your "mom" or "brother". The link inside the email will take you to a malicious site. -Paul

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GREETING CARD EMAILS
by Maglinger, Paul 17 Jul '07

17 Jul '07

Be very careful in opening an email stating "You've received a greeting ecard from a School friend!" or some other subject regarding an E-Card. If it is not from someone you know I advise you to delete the email. Some will even say that they were sent by your "mom" or "brother". The link inside the email will take you to a malicious site. -Paul

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110v PDUs for NetApp Racks
by Holland, William L 17 Jul '07

17 Jul '07

We have an R200 in a 42U NetApp rack with 4ea of the 0U, 220v, 16a PDUs. In a few months we plan to relocate it to another facility, but they do not have 220v power available, only 110v. Any ideas where we can find 110v PDUs to replace the NetApp 220v ones? Ideally they would be the same physical size as the ones currently in the rack. They have to be 0U as the rack is totally full.

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RE: NFS vs. iSCSI for VMware (was "Re: List still active?")
by Scott Lowe 17 Jul '07

17 Jul '07

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Adding VLANs to a vif
by Wes Hardin 13 Jul '07

13 Jul '07

I have a FAS3020 with all four onboard gig-e ports trunked as vif0. I am wanting to add a VLAN interface to my current vif for my backup network. Will the following lines in /etc/rc work? (Sorry for the wrapping) vif create multi vif0 -b ip e0a e0c e0b e0d vlan create -g off vif0 4093 ifconfig vif0 `hostname`-vif0 mediatype auto netmask 255.255.248.0 partner vif0 ifconfig vif0-4093 `hostname`-backup netmask 255.255.0.0 partner vif0-4093 I still want vif0 to act as it does now, sending and receiving untagged frames, but the new interface, vif0-4093, sending tagged frames. I tried to simulate this with the ONTAP simulator, but it wasn't supported on my setup and all the documentation I can find doesn't mention the original interface again after creating the VLAN. Thanks, -- /* wes hardin */ UNIX System Admin Dallas Semiconductor/Maxim Integrated Products

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toasters