toasters April 2001

toasters@lists.teaparty.net

205 participants
286 discussions

FC9 & FC8 drives?
by Clawson, Simon 05 Apr '01

05 Apr '01

Hi! Is it possible to mix FC8 & FC9 disks? We have two shelves of 18GB disks and would like to add another shelf of 36GB disks. Simon Simon Clawson HDS Team Systems Administrator Mentor Graphics Uk Rivergate London Road Newbury Berkshire RG14 2QB <<Clawson, Simon.vcf>>

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RE: FC9 & FC8 drives?
by Loux, Linda 05 Apr '01

05 Apr '01

Mixing shelves is no problem. We have 3 FC8 and 7 FC9 shelves on our system now. Linda Loux Systems Administrator Rosetta Inpharmatics -----Original Message----- From: Clawson, Simon [mailto:simon_clawson@mentorg.com] Sent: Thursday, April 05, 2001 8:33 AM To: 'toasters(a)mathworks.com' Subject: FC9 & FC8 drives? Hi! Is it possible to mix FC8 & FC9 disks? We have two shelves of 18GB disks and would like to add another shelf of 36GB disks. Simon Simon Clawson HDS Team Systems Administrator Mentor Graphics Uk Rivergate London Road Newbury Berkshire RG14 2QB <<Clawson, Simon.vcf>> **************************************************************************** This e-mail message is the property of Rosetta Inpharmatics and may contain information that is confidential and/or privileged. If you are not the intended recipient, any use, disclosure, copying, or communication of the contents of this message is prohibited. If this message was received in error, please forward a copy to mail_admin(a)rii.com and delete the message and any attachments from your computer. Thank you. ****************************************************************************

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RE: performance question ablout oracle on F840 filer
by Yarmas, Tom 05 Apr '01

05 Apr '01

Several people have made some good suggestions, and I would advise you look at the white papers on the Netapp site as well. One thing that will improve things for Solaris in particular is to specify DISK_ASYNC_IO=false in the Oracle parameter file (init.ora). Solaris will not do async i/o correctly, and each async i/o request will take extra time. When you do this, you may want to use multiple DB writer processes. Finally, how are you loading the data? If you are using SQL*Loader, it may be that the SQL is slowing you down. Direct path loading should show a dramatic change if you are not using it already. Just an FYI, it is generally going to be counter productive to have table and index data on different volumes oin the Filer. Because of the way the Filer does I/O to the disks, it generally does not help to seperate things that way. By having more drives in a volume, performance will improve. Although it sounds like your problem is just getting the data out of the Oracle engine and to the Filer (hence the direct path loading should help that). -tom

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RE: performance question ablout oracle on F840 filer
by Cormier, Darleen 04 Apr '01

04 Apr '01

Hi Brynay, Would this new white paper, ( just published ), on how to setup a filer and Oracle, for best performance, be of any help? http://www.netapp.com/tech_library/3105.html <http://www.netapp.com/tech_library/3105.html> -----Original Message----- From: brynay_cradle [mailto:bryany@cradle.com.tw] Sent: Tuesday, April 03, 2001 11:30 PM To: toasters Subject: performance question ablout oracle on F840 filer Hi , My customer setup oracle 8.15 on sun E3500 (Solaris.7) and put oracle database on filer F840 , but performance is poor. Hardware environment as Filer 840 Giga Ethernet II * 2 FC9 disk shelf * 1 about 350 GB Sun E3500 (Solaris.7) Cpu 1 ~ 4 memory 1 GB giga Ethernet * 2 ( direct to filer ) configuration as oracle database on /vol/vol0 use e6 giga ethernet channel oracle index on /vol/vol1 use e7 giga ethernet channel load data to database table about 70000 records , filer ops 1000 ~ 2000 sun 1 cpu usage 30% ~ 40% even add to 4 cpu (20% ~ 30%, never over 50%) , oracle process speed still slow , ops increase just to 2500 ~ 3000 it seems filer wait for sun process oracle data , but I can not increase cpu load I tuned filer and sun , gigaethernet and nfs configurations already , but performance do not get better. Could you kind to provide any suggestion or solution for this case Thanks a lots Cradle Technology Corp. Infrastructure Integration Department Bryan Yuan Tel: (886) 2 87682688 Ex: 634 bryany(a)cradle.com.tw <mailto:bryany@cradle.com.tw>

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Please unsubscribe
by Stringer, Douglas 04 Apr '01

04 Apr '01

Doug Stringer stringer(a)netapp.com

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RE: performance question ablout oracle on F840 filer
by Neil Stichbury 04 Apr '01

04 Apr '01

How many users ?. 1GB may be not be enough. Rather then splitting the using of the Gigabyte you might like to consider Trunking with Roundrobin. I am given to understand that Solaris 8 offers performance improvements over 7. Neil -----Original Message----- From: brynay_cradle [mailto:bryany@cradle.com.tw] Sent: Wednesday, 4 April 2001 18:30 To: toasters Subject: performance question ablout oracle on F840 filer Hi , My customer setup oracle 8.15 on sun E3500 (Solaris.7) and put oracle database on filer F840 , but performance is poor. Hardware environment as Filer 840 Giga Ethernet II * 2 FC9 disk shelf * 1 about 350 GB Sun E3500 (Solaris.7) Cpu 1 ~ 4 memory 1 GB giga Ethernet * 2 ( direct to filer ) configuration as oracle database on /vol/vol0 use e6 giga ethernet channel oracle index on /vol/vol1 use e7 giga ethernet channel load data to database table about 70000 records , filer ops 1000 ~ 2000 sun 1 cpu usage 30% ~ 40% even add to 4 cpu (20% ~ 30%, never over 50%) , oracle process speed still slow , ops increase just to 2500 ~ 3000 it seems filer wait for sun process oracle data , but I can not increase cpu load I tuned filer and sun , gigaethernet and nfs configurations already , but performance do not get better. Could you kind to provide any suggestion or solution for this case Thanks a lots Cradle Technology Corp. Infrastructure Integration Department Bryan Yuan Tel: (886) 2 87682688 Ex: 634 bryany(a)cradle.com.tw <mailto:bryany@cradle.com.tw> _____ This e-mail message has been scanned and cleared by MailMarshal <http://www.gen-i.co.nz> www.gen-i.co.nz _____ This e-mail message has been scanned and cleared by MailMarshal http://www.gen-i.co.nz

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RE: Filer Serial Connectivity
by Charles Randall 04 Apr '01

04 Apr '01

Any pointers on a device that allows SSH instead of telnet for on-net access? E.g., ssh to the console server and then connect to the serial interface of a connected device? Charles -----Original Message----- From: mitch(a)netline.com [mailto:mitch@netline.com] Sent: Monday, April 02, 2001 1:02 PM To: 'toasters(a)mathworks.com' Subject: Re: Filer Serial Connectivity I'm pretty fond of our Console Server 3200 by Lightwave Communications. It allows for telnet access and/or serial access. Multiple people can view at the same time and it has scrollback. It has a number of other very nice features... I use it with our filers, Suns, and various PC based UNIX systems. http://www.lightwavecom.com/ ~mitch

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Re: performance question ablout oracle on F840 filer
by Rick Hulsey 04 Apr '01

04 Apr '01

Are you using the SBUS or PCI cards in the Sun. We have used both and found the SBUS cards to perform poorly as compared to the PCI cards. I don't remember what our peak nfs ops were, but I'm sure we were getting better results than what you are experiencing. Did you use the Oracle white paper at http://www.netapp.com/tech_library/3047.html to setup the database on the filer? We followed this whitepaper pretty closely because I've been told that other than references to ${ORACLE_HOME} these guidelines are pretty much requirements for system performance and data availability. >>> "brynay_cradle" <bryany(a)cradle.com.tw> 04/04/01 01:30AM >>> Hi , My customer setup oracle 8.15 on sun E3500 (Solaris.7) and put oracle database on filer F840 , but performance is poor. Hardware environment as Filer 840 Giga Ethernet II * 2 FC9 disk shelf * 1 about 350 GB Sun E3500 (Solaris.7) Cpu 1 ~ 4 memory 1 GB giga Ethernet * 2 ( direct to filer ) configuration as oracle database on /vol/vol0 use e6 giga ethernet channel oracle index on /vol/vol1 use e7 giga ethernet channel load data to database table about 70000 records , filer ops 1000 ~ 2000 sun 1 cpu usage 30% ~ 40% even add to 4 cpu (20% ~ 30%, never over 50%) , oracle process speed still slow , ops increase just to 2500 ~ 3000 it seems filer wait for sun process oracle data , but I can not increase cpu load I tuned filer and sun , gigaethernet and nfs configurations already , but performance do not get better. Could you kind to provide any suggestion or solution for this case Thanks a lots Cradle Technology Corp. Infrastructure Integration Department Bryan Yuan Tel: (886) 2 87682688 Ex: 634 bryany(a)cradle.com.tw

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Take me off list
by Steve Upchurch 04 Apr '01

04 Apr '01

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RE: Inodes a go go
by Tom "Mad Dog" Yergeau 04 Apr '01

04 Apr '01

Agreed. You can't want more than 1 inode per 4K WAFL block, right? This application generates reports by generating directories. Each report can generate hundreds of directories on the filer. I don't know why it works this way but I'm told changing it will be quite a headache. So, all these directories take up lots and lots of inodes, but no real space on the filer. Tom -----Original Message----- From: Chris Thompson [mailto:cet1@cus.cam.ac.uk] Sent: Tuesday, April 03, 2001 4:25 PM To: MadDog(a)fool.com Cc: toasters(a)mathworks.com Subject: Re: Inodes a go go MadDog(a)fool.com (Tom \"Mad Dog\" Yergeau) writes: > > Okay, so the maximum number of inodes is 95% of the true (not usable) size > of a volume divided by four. > > And if you're daring enough to type this into your filer, it will tell you > that anyway: > > usvasvfile-001> maxfiles inquisition 50000000000000000 > Max inode count cannot exceed 201249946 > > > Now here's the problem. I just passed this information on to the developers > who wrote the program that uses up this exceedingly ridiculous number of > inodes, and they tell me that they are going to start using them up even > faster than in the past, and we may run out within six months, and is there > anything we can do to get more inodes? > > I suggested they re-write their program to not generate tens of thousands of > directories every day, but I don't know how well that will fly. > > Can anyone think of a way to get more inodes? NetApp folks, any hope a RFE > for a higher inode limit would go through? Ummm... can you tell us more about this application that eats thousands of inodes for breakfast every day? What are the contents of these inodes? One would normally expect every inode to have at least one 4K block of data associated with it unless 1. It is a regular file with length <= 64 bytes (fits in the inode). 2. It is a symbolic link with length <= 64 bytes (ditto). 3. It is a device, or socket, or named pipe, or some other implictly zero-length object. That is presumably the rationale behind NetApp's "you can't possibly want more than 1 inode per 4 KB of data, can you?" upper limit. Chris Thompson University of Cambridge Computing Service, Email: cet1(a)ucs.cam.ac.uk New Museums Site, Cambridge CB2 3QG, Phone: +44 1223 334715 United Kingdom.

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toasters April 2001