Yes, if you set a default stripe_count=2 then all file access will need to check 2 objects.
However, the PFL file layout avoids this problem, and allows setting different file layouts for different ranges of the file, which is very useful for small/medium/large files, hybrid flash/disk in the same file, etc. See the Lustre Manual https://doc.lustre.org/lustre_manual.xhtml#pfl for details. On Mar 11, 2022, at 06:13, Taner KARAGÖL via lustre-discuss <[email protected]<mailto:[email protected]>> wrote: UNCLASSIFIED Hi folks; I know It is better to set stripe_size=1 for small files. What if I set more than 2 or more. Does client query all OSTs even though small file sit on the one OST only? Best Regards; ________________________________ Dikkat: Bu elektronik posta mesaji kisisel ve ozeldir. Eger size gonderilmediyse lutfen gondericiyi bilgilendirip mesaji siliniz. Firmamiza gelen ve giden mesajlar virus taramasindan gecirilmekte, guvenlik nedeni ile kontrol edilerek saklanmaktadir. Mesajdaki gorusler ve bakis acisi gondericiye ait olup Aselsan A.S. resmi gorusu olmak zorunda degildir. ________________________________ Attention: This e-mail message is privileged and confidential. If you are not the intended recipient please delete the message and notify the sender. E-mails to and from the company are monitored for operational reasons and in accordance with lawful business practices. Any views or opinions presented are solely those of the author and do not necessarily represent the views of the company. ________________________________ _______________________________________________ lustre-discuss mailing list [email protected]<mailto:[email protected]> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org Cheers, Andreas -- Andreas Dilger Lustre Principal Architect Whamcloud
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