Hi Matt, > Am 20.03.2019 um 10:34 schrieb Matt Churchyard <matt.churchy...@userve.net>: >>> 2. If ARC does cache volumes, does this cache make sense on a >>> hypervisor, because guest OSes will probably have their own disk cache >>> anyway. >> >> IMHO not much, because the guest OS is relying on the fact that when >> it writes it’s own cached data out to „disk“, it will be committed to >> stable storage. > > Maybe I've missed something but I don't quite get the link between read cache > (ARC) and guest writes here?
You are correct - I confused ARC and ZIL. I still recommend to set sync=always for hypervisor „disk“ ZVOLs. Kind regards Patrick -- punkt.de GmbH Internet - Dienstleistungen - Beratung Kaiserallee 13a Tel.: 0721 9109-0 Fax: -100 76133 Karlsruhe i...@punkt.de http://punkt.de AG Mannheim 108285 Gf: Juergen Egeling _______________________________________________ freebsd-virtualization@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"
