
--Apple-Mail=_912FAEC6-5476-4359-94B5-21FE877C0F94 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8
Le 7 ao=C3=BBt 2017 =C3=A0 17:41, FERNANDO FREDIANI = <fernando.frediani@upx.com> a =C3=A9crit : =20
Yet another downside of having a RAID (specially RAID 5 or 6) is that = it reduces considerably the write speeds as each group of disks will end = up having the write speed of a single disk as all other disks of that = group have to wait for each other to write as well. =20
That's not true if you have medium to high range hardware raid. For = example, HP Smart Array come with a flash cache of about 1 or 2 Gb that = hides that from the OS.= --Apple-Mail=_912FAEC6-5476-4359-94B5-21FE877C0F94 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html = charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" = class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div = class=3D"">Le 7 ao=C3=BBt 2017 =C3=A0 17:41, FERNANDO FREDIANI <<a = href=3D"mailto:fernando.frediani@upx.com" = class=3D"">fernando.frediani@upx.com</a>> a =C3=A9crit :</div><br = class=3D"Apple-interchange-newline"><div class=3D""><p = style=3D"font-family: Helvetica; font-size: 12px; font-style: normal; = font-variant-caps: normal; font-weight: normal; letter-spacing: normal; = orphans: auto; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" = class=3D""></p></div></blockquote><br class=3D""><blockquote type=3D"cite"= class=3D""><div class=3D""><p style=3D"font-family: Helvetica; = font-size: 12px; font-style: normal; font-variant-caps: normal; = font-weight: normal; letter-spacing: normal; orphans: auto; text-align: = start; text-indent: 0px; text-transform: none; white-space: normal; = widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; = background-color: rgb(255, 255, 255);" class=3D"">Yet another downside = of having a RAID (specially RAID 5 or 6) is that it reduces considerably = the write speeds as each group of disks will end up having the write = speed of a single disk as all other disks of that group have to wait for = each other to write as well.<br class=3D""></p></div></blockquote><br = class=3D""></div>That's not true if you have medium to high range = hardware raid. For example, HP Smart Array come with a flash cache of = about 1 or 2 Gb that hides that from the OS.</body></html>= --Apple-Mail=_912FAEC6-5476-4359-94B5-21FE877C0F94--